Keep Your Home Comfortable With Quality HVAC Services In Wallingford CT
X-Treme Temp Heating & Cooling is your go-to HVAC service provider in Wallingford, CT! We’re the experts in home comfort year-round, from AC and heating repair to ductwork and water heaters. We’ve got you covered from installation to maintenance so you can have peace of mind about your heating and air conditioning.
Read the reviews below from Wallingford, CT residents to see what your neighbors say about our expertise and customer service. We can’t wait to work with you!
Local Reviews
for Wallingford, CT
Customers say: The reviews reflect an overwhelmingly positive sentiment toward the HVAC service company. Customers consistently express high satisfaction with the technicians' professionalism, punctuality, and technical expertise. A recurring theme throughout the feedback is appreciation for clear communication, with many clients highlighting how thoroughly technicians explained problems, solutions, and repair processes in understandable terms. The service quality is repeatedly praised, with customers noting efficient troubleshooting, thorough maintenance work, and effective problem resolution. Many reviewers indicate strong loyalty to the company, mentioning they are repeat customers or plan to use the service again in the future. The overall tone is decidedly positive, with customers valuing the company's responsiveness, reasonable pricing, and the technicians' friendly demeanor. The reviews collectively portray a reliable HVAC service provider that delivers quality workmanship while maintaining excellent customer relations.
Our Reviews by City
Great service!
Beth - Wallingford, CT 06492
Superior customer service and friendly as well! Clearly explained status of equipment and updates needed.
Amazing service
Joan - Wallingford, CT 06492
Needed a new oil tank as mine was the original from 1985… replaced today with a gorgeous new ‘tank within a tank’ with an app that I can see the oil level on my phone which will give me peace of mind when away from the house in the winter. Knowledgeable guys, effective and efficient. Highly recommend!!
Great service!
Norma - Wallingford, CT 06492
We had an oil leak and water dripping from valve. Larry assessed the problem and offered consise suggestions and options for current and future ! Appreciated his knowledge and expertise.
Fast, Friendly, and efficient.
luke - Wallingford, CT 06492
Excellent service at a reasonable price.
Ron - Wallingford, CT 06492
Larry was great he walked me through his findings and listed out everything he did. I highly recommend Extreme to my family and friends
Excellent work !!
Judy - Wallingford, CT 06492
Andrew is a fine representative of your company. He is thorough and efficient. I would recommend him and your company to anybody that asks. Thank you as always.
Always the best!
Joan - Wallingford, CT 06492
Such a great company! Dependable, knowledgeable and experienced, and at a fair price.
Excellent Service
Lagase - Wallingford, CT 06492
Technician is always awesome. Thorough and very polite.
Great service
Bob - Wallingford, CT 06492
Excellent experience. They are very good and very knowledgeable ,fixed the issue with my heater in a remarkably short time
Excellent service!
Doll - Wallingford, CT 06492
X-treme Heating and Cooling replaced our A/C and have been servicing our systems since we moved in six years ago. They are always professional, polite, responsive and reasonable. Highly recommend.
Excellent Service
Lia - Wallingford, CT 06492
Great service experience!
Pete - Wallingford, CT 06492
Thanks for the great service. Andrew was very professional and knowledgeable about our heating system. He provided great detail on how the system works and provided recommendations to improve it. Very much appreciated the timely service.
Service was excellent
MaryAnne - Wallingford, CT 06492
Excellent service
MaryAnne - Wallingford, CT 06492
Always a pleasure
Sam - Wallingford, CT 06492
Great service!
Eileen - Wallingford, CT 06492
As always Andrew and his apprentice were welcome professionals to our home. Communication, timeliness, expediency, neatness, and price all great.
Very satisfied
Piroska - Wallingford, CT 06492
Larry came on time, and fixed the problem quickly and professionally. I had excellent experience with him and I can’t thank enough to Lisa . Definitely recommend to anyone !!
Excellent service
Paul - Wallingford, CT 06492
Arrived on time. Appeared to know exactly what to do. Excellent and friendly service.
Great service!
Seamus - Wallingford, CT 06492
Larry was on time and very professional. They reached out ahead to confirm as well, which was nice. He provided the requested testing/tune up and was able to help with some minor issues that were discovered, right then and there. I would highly recommend.
Great service
Bill - Wallingford, CT 06492
Andrew got right to work. I observed that he was also sharing his knowledge with his helper.
Reliable, competent, and customer-oriented
Marisa - Wallingford, CT 06492
I’ve used Xtreme for all of my HVAC needs (new furnace, ductless and HW heater included. They are skilled, reliable, and straightforward. Their prices are transparent and reasonable
Larry provided excellent service
Lia - Wallingford, CT 06492
Always a true professional!
Eileen - Wallingford, CT 06492
It’s comforting to have a reliable, efficient, affordable and timely service provider who is additionally polite and friendly! Andrew and his apprentice were a pleasure to welcome into our home!
EXCELLANT service
Lori - Wallingford, CT 06492
These guys are great!
Suzanne - Wallingford, CT 06492
Not only are we customers, but I referred my son to them when he found himself without heat They responded quickly and were able to fix the problem right away for him
Andrew H.
I thoroughly inspected the indoor evaporator coil and blower compartment, ensuring all electrical connections and safety features were intact. I checked voltage and amperage, examined the air filter, and rinsed the condenser coil. The drain line was blown out and tested for proper drainage. Refrigerant levels were verified, and the capacitor was assessed, revealing it was below the manufacturer's recommended minimum. After obtaining customer approval, I replaced the weak capacitor, restoring the unit to optimal performance.
Andrew H.
Upon arrival, the unit was off. I turned it on and noticed the compressor was running, but the fan motor did not start. I checked the capacitor and found both the compressor and fan motor legs within specifications. Manually spinning the fan motor revealed a dead spot, causing intermittent operation. After obtaining customer authorization, I replaced the faulty fan motor and capacitor. I started and tested the unit, confirming proper operation. I recommend scheduling an A/C maintenance check to ensure the entire system is in good condition.
Larry H.
Upon inspection, I identified that the condenser system was not functioning due to a tripped breaker. Further examination revealed that the compressor was shorted to ground. After checking the fan motor, it was confirmed that the compressor needed replacement. Fortunately, the compressor is still under warranty, ensuring a seamless replacement process. The system is now operational, and the condenser is running efficiently.
Larry H.
I conducted a comprehensive preventive maintenance service on an oil boiler. The maintenance included thorough brushing and vacuuming of the unit. I replaced the oil filter, nozzle, and strainer to ensure optimal performance. After starting the boiler, I checked all safety mechanisms to confirm they were functioning correctly. A combustion test was performed, yielding results of 7.2% oxygen, 23 ppm, 0 smoke, and 82.2% efficiency, indicating the system was operating properly. Upon arrival, I noticed a small amount of water in a bucket for the pressure relief valve tube. Further inspection revealed that the expansion tank was beginning to fail, with water migrating to the air side. This condition prevents proper water expansion when heated. I recommended replacing the expansion tank. I drained the boiler, isolated the components, removed the faulty tank, installed a new one, refilled, and purged the system.
Andrew H.
I thoroughly inspected the indoor evaporator coil and blower compartment, ensuring all electrical connections and safety features were intact. I measured voltage and current levels, examined the air filter, and rinsed the condenser coil. The drain line was cleared, and a water test confirmed proper drainage. The condensate pump was tested, and refrigerant levels were checked. The capacitor was inspected, and temperatures were recorded. The thermostat operation was tested. Despite rinsing, significant dirt buildup was found on the condenser coil. After obtaining authorization, I performed a chemical clean to restore efficiency.
Andrew H.
I began by extracting usable oil from the old tank and transferring it into barrels. Next, I removed the old oil tank and installed a new Roth 275-gallon oil tank, complete with a WIFI tank gauge and fresh piping. After ensuring the new tank was securely in place, I pumped the previously collected oil back into the new tank. I then installed a new Wireless thermostat in the upstairs hallway, and disabled the thermostat located above the garage. Finally, I started and thoroughly tested the entire system to confirm its proper functionality.
Larry H.
4.9% O2, 15 ppm CO, and 84.2% efficiency. The system is functioning correctly. I flushed and drained several gallons from the hot water heater, cleaned the sight glass, and flushed the low water cut-off. The bathroom air vent operated correctly, allowing steam to heat the radiator. I rinsed the condenser coil, checked electrical connections, and blew out drain lines. All heads delivered 115-120 degrees in high heat and 51-53 degrees in high cool. The blower wheel for the living room unit is heavily soiled and requires chemical cleaning.
Andrew H.
During the maintenance, we began by visually inspecting the indoor evaporator coil and blower compartment, ensuring all components were in good condition. We checked all electrical connections and safety features inside the unit. The air filter was also visually inspected and found to be in acceptable condition. We rinsed the condenser coil and blew out the drain line, pouring water to confirm proper drainage. Additionally, we tested the condensate pump to ensure it was functioning correctly. However, we encountered issues when we discovered that the electrical compartment was positioned too close to the deck, making one screw inaccessible. Consequently, we were unable to complete the remaining maintenance tasks. We took photographs to provide a quote for relocating the unit away from the deck. Furthermore, we found the electrical disconnect box lying on the ground instead of being properly mounted. The romex wire leading from the house to the disconnect box was not rated for outdoor u
Larry H.
Upon inspection, I identified oil leaks originating from both the fuel pump and the nozzle. The fuel pump bolts were found to be loose, and there was significant carbon buildup on the nozzle. I replaced the nozzle and the fuel pump strainer to address these issues. After reassembly, I started and tested the system, discovering a drip from the high vent. This led to the replacement of the high vent. Following these repairs, I recommend scheduling a service for the boiler to ensure optimal performance and longevity.
Andrew H.
I successfully completed the task by first safely recovering the refrigerant from the system. Next, I replaced the warranty compressor inside the outdoor unit. After ensuring the system was properly evacuated, I added the appropriate amount of refrigerant. I then started the system and conducted a thorough test to confirm proper operation. The system performed well, with a 62°F return air temperature and 37°F supply air temperature. The pressures measured 95/214 with a 13°F subcooling, indicating optimal performance.
Larry H.
I conducted a comprehensive preventive maintenance service on the air conditioning system. I began by clearing the drain line and replacing the air filter with the customer-supplied one. I then inspected and tested the condensate pump to ensure it was functioning correctly. The condenser was rinsed to remove any debris. I checked all electrical connections, pressures, and temperatures. Upon further inspection, I found the system was low on refrigerant and added 1 lb 8 oz of R410a. The system is now operating efficiently.
Andrew H.
I thoroughly inspected the indoor evaporator coil and blower compartment. All electrical connections and safety features were checked, including voltage and amperage. The air filter was visually examined, and the condenser coil was rinsed. The drain line was cleared, and a water test ensured proper drainage. The condensate pump was tested, refrigerant levels were verified, and the capacitor was inspected. Temperature readings were taken to ensure optimal performance.
Andrew H.
I meticulously cleaned the condenser coil to ensure optimal performance. I thoroughly checked all electrical connections and safety features to confirm they were secure and functioning correctly. I cleared any blockages in the drain lines and tested the drainage by pouring water. I tested each head in both high heat and cool modes, achieving temperatures of 120-123 degrees and 45-48 degrees respectively. I also measured volts and amps to verify electrical integrity. A visual inspection of the evaporator coils, blower compartments, and filters was conducted, and all filters were washed with water. The unit is now operating efficiently.
Larry H.
I conducted a comprehensive heating maintenance on an oil furnace, including thorough brushing, vacuuming, and replacing the oil filter, nozzle, and strainer. I started the furnace and verified all safety mechanisms. A combustion test yielded 8.4% oxygen, 14 ppm, and 82.7% efficiency, confirming optimal operation. For the A/C, I cleared the drain line, inspected and tested the condensate pump, rinsed the condenser, and checked electrical connections, pressures, and temperatures. The system is functioning correctly.
Andrew H.
I thoroughly inspected the indoor evaporator coil and blower compartment, ensuring all electrical connections and safety features were intact. I measured voltage and amperage, examined the air filter, and rinsed the condenser coil. The drain line was cleared, and a water test confirmed proper drainage. The condensate pump was tested, refrigerant levels checked, and the capacitor inspected. Temperatures were recorded, and thermostat functionality was verified.
Larry H.
Upon inspection, water was observed leaking from the vent hole on the fitting exiting the water heater. To address this, I poured water into the trap inside the unit. As the water drained, some escaped through the vent due to dirty neutralizer stones impeding flow. I installed a PVC "T" for better venting. After pouring three 32 oz bottles of water into the trap, the water flowed correctly without backups. I recommend replacing the neutralizing stones to prevent future issues.
Andrew H.
I conducted a comprehensive preventive maintenance on the oil water heater and air conditioning system. This included brushing and vacuuming the flue pipe and heat exchanger, replacing the oil filter, nozzle, and strainer, and checking all electrical connections and safeties. I performed combustion and smoke tests, achieving 8.9% O2, 0 ppm CO, and 0 smoke. Additionally, I visually inspected the indoor evaporator coil and blower compartment, checked electrical connections, volts, and amps, rinsed the condenser coil, and blew out the drain line. I also tested the thermostat operation and found the AC system low on refrigerant, adding 1 lb 12 oz R410A to restore proper levels.
Andrew H.
I conducted a thorough inspection of the indoor evaporator coil and blower compartment. All electrical connections and safety features were checked, including voltage and amperage. The air filter was examined, and the condenser coil was rinsed. The drain line was cleared, and condensate pump functionality was tested. Refrigerant levels were verified, and the capacitor was inspected. Temperatures were taken, and thermostat operation was tested.
Andrew H.
Upon arrival, the unit was off. I checked the air filter, evap coil dirt level, and metering device style, replacing the air filter with the customer-supplied one. At the condenser, I found a mouse nest and multiple chewed wires, including the thermostat wire and a low voltage wire disconnected from the contactor. I removed the damaged wires and made new connections. After starting the unit, I found it slightly low on refrigerant. With customer authorization, I added 9 oz of M-099, raising the subcooling to the recommended 12°. The unit is now functioning properly.
Andrew H.
Upon arrival, the customer reported that the condenser's breaker would trip when the unit turned on. I inspected the electrical wiring for damage and found a burnt wire from the contactor and capacitor touching the condenser metal. After replacing the damaged wire, the breaker tripped again. I then disconnected the compressor wires, checked their resistance, and discovered an open winding in the compressor. With the compressor disconnected, the condenser fan operated normally, confirming the issue. I took pictures to obtain a quote for a replacement compressor.
Larry H.
I conducted a comprehensive preventive maintenance check on the air conditioning system. This included blowing out the drain line, replacing the air filter, and checking the condensate pump. I rinsed the condenser and inspected electrical connections, pressures, and temperatures. The system is functioning correctly. However, the condenser coil has several bare passes without fins, causing copper tubing to touch and rub, which could lead to a leak. Due to the age of the system, I recommend replacing the condenser coil.
Andrew H.
I conducted a comprehensive preventive maintenance check on the central air system. This included a thorough visual inspection of the indoor evaporator coil and blower compartment, ensuring all electrical connections and safety features were intact. I measured voltage and current levels, examined the air filter, and rinsed the condenser coil. The drain line was cleared, and I verified proper drainage. Refrigerant levels were checked, and the capacitor was tested. Temperatures were recorded, and thermostat functionality was confirmed. The compressor's amperage is nearing its maximum limit, suggesting a potential replacement in the near future to avoid breaker trips.
Larry H.
I conducted a comprehensive preventive maintenance check on the air conditioning system. This included blowing out the drain line to ensure proper drainage and replacing the air filter to enhance air quality. The condensate pump was meticulously cleaned and tested for optimal performance. The condenser was rinsed to remove any accumulated debris. Additionally, I inspected all electrical connections, checked system pressures and temperatures, and verified that the system is operating efficiently.
Larry H.
I conducted a comprehensive preventive maintenance check on the air conditioning system. I began by blowing out the drain line to ensure proper drainage and prevent clogs. Next, I checked and replaced the air filter to maintain optimal airflow. I then rinsed the condenser to remove any accumulated dirt and debris. Electrical connections were inspected for any signs of wear or damage. Pressures and temperatures were measured, revealing a 7-8 psi difference while the compressor was running, drawing only 3.0 amps. The readings of 153.1/160.2 psi indicated an internal failure in the compressor, which was not generating sufficient pressure. Consequently, the compressor needs to be replaced. I contacted the supplier to check the availability of a replacement unit.
Larry H.
I conducted a comprehensive preventive maintenance check on three air conditioning systems. This included blowing out the drain lines, inspecting and replacing air filters with the customer's assistance, and testing the condensate pumps. The condenser was rinsed, and I checked all electrical connections, pressures, and temperatures. All systems operated correctly. In the in-law unit, I identified low refrigerant levels, adding 10 oz of R410a to achieve optimal subcooling. The compressor side capacitor was below the manufacturer's rating, so I replaced it with a new one. After installation, I started and tested the system to ensure proper function.
