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Heating Cooling Services Wallingford CT

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

X-Treme Temp Heating & Cooling, LLC Rated 5.0 out of 5 stars based on 205 customer reviews


Map of Wallingford, CT 06492

Excellent Sercive!!




Review of X-Treme Temp Heating & Cooling, LLC

He’s very informative and so helpful!! Thank you for sending Larry over!

WallingfordCT06492 41.45-72.8225

Map of Wallingford, CT 06492

Prompt, polite, thorough. Bio




Review of X-Treme Temp Heating & Cooling, LLC

Larry is very professional, thorough, and always explains what has been done.

WallingfordCT06492 41.46-72.825

Map of Wallingford, CT 06492

Andrew was great very informative!




Review of X-Treme Temp Heating & Cooling, LLC

Very happy

WallingfordCT06492 41.465-72.7975

Map of Wallingford, CT 06492

Furnace service




Review of X-Treme Temp Heating & Cooling, LLC

Nice work, quick, and easy to deal with.

WallingfordCT06492 41.4675-72.795

Map of Wallingford, CT 06492

Excellent Service




Review of X-Treme Temp Heating & Cooling, LLC

Very knowledgeable and we appreciated he was the same technician we had the last time. Andrew took time to answer all our questions and he went above and beyond to make sure our boiler was well taken care of. I would recommend this company and Andrew to anyone look for quality workmanship and expertise.

WallingfordCT06492 41.4875-72.8525

Map of Wallingford, CT 06492

Excellent Service




Review of X-Treme Temp Heating & Cooling, LLC

WallingfordCT06492 41.47-72.8

Map of Wallingford, CT 06492

Excellent Service




Review of X-Treme Temp Heating & Cooling, LLC

Larry arrived within my scheduled time frame. Was very thorough and professional. Answered any questions I had and explained them so I could have a better understanding of the system. Thank you for great service.

WallingfordCT06492 41.48-72.84

Map of Wallingford, CT 06492

Good service




Review of X-Treme Temp Heating & Cooling, LLC

I wasn’t home except the last 15 minutes he was here, and had minimal Interaction except making payment. He was very cordial.

WallingfordCT06492 41.47-72.7925

Map of Wallingford, CT 06492

Awesome




Review of X-Treme Temp Heating & Cooling, LLC

WallingfordCT06492 41.465-72.81

Map of Wallingford, CT 06492

Excellent service




Review of X-Treme Temp Heating & Cooling, LLC

Very knowledgeable, helpful, and friendly. Made sure he talked us through everything he did and answered any questions we had

WallingfordCT06492 41.5025-72.8425

Excellent service




Review of X-Treme Temp Heating & Cooling, LLC

Larry was very friendly and professional. He explained to me what he was doing, and how I should allow more air into the boiler room. I definitely will use your company again and suggest to my neighbors that they do the same!

WallingfordCT06492 41.4325-72.815

Prompt, polite, thorough.




Review of X-Treme Temp Heating & Cooling, LLC

Larry was prompt, efficient, polite. Good guy. 2 thumbs up!

WallingfordCT06492 41.46-72.825

Great service




Review of X-Treme Temp Heating & Cooling, LLC

We really appreciate the time and effort it took to troubleshoot the problem we were having with our heating system Thank you very much for a job well done

WallingfordCT06492 41.49-72.8425

Extremely excellent




Review of X-Treme Temp Heating & Cooling, LLC

Extremely excellent , professional , honest friendly service with great prices

WallingfordCT06492 41.45-72.85

Very kind and personable.




Review of X-Treme Temp Heating & Cooling, LLC

Great service. He was polite and very personable. Provided feedback. Very happy with my service.

WallingfordCT06492 41.4475-72.8575

Prompt, polite, thorough.




Review of X-Treme Temp Heating & Cooling, LLC

Andrew's an asset to ur company. 2👍👍 up!

WallingfordCT06492 41.46-72.825

Excellent service!




Review of X-Treme Temp Heating & Cooling, LLC

Andrew is personable and easy to talk with. Explains things well and knows what he is doing. Very good tech!

WallingfordCT06492 41.455-72.8725

Great service, fair and nice




Review of X-Treme Temp Heating & Cooling, LLC

WallingfordCT06492 41.47-72.8375

Prompt service




Review of X-Treme Temp Heating & Cooling, LLC

Great service very reliable got estimate to replace boiler in one day took care of problem quickly in spite of holiday season

WallingfordCT06492 41.45-72.7825

Great service




Review of X-Treme Temp Heating & Cooling, LLC

WallingfordCT06492 41.405-72.805

Excellent service




Review of X-Treme Temp Heating & Cooling, LLC

Andrew was very helpful. He arrived on time. He explained the problem in detail and quickly fixed it. He also followed up on an additional issue to be addressed ASAP.

WallingfordCT06492 41.4575-72.86

Response from X-Treme Temp Heating & Cooling, LLC:

We are incredibly grateful that you took the time out to leave us a 5-Star review.


Excellent service




Review of X-Treme Temp Heating & Cooling, LLC

Trust worthy

WallingfordCT06492 41.47-72.7925

Thank you Andrew




Review of X-Treme Temp Heating & Cooling, LLC

Andrew was very thorough and professional when servicing my heating system. I would highly recommend X-Treme for HVAC service.

WallingfordCT06492 41.4575-72.8725

Excellent service




Review of X-Treme Temp Heating & Cooling, LLC

Nice job very thorough nice personality

WallingfordCT06492 41.505-72.8

Excellent Service




Review of X-Treme Temp Heating & Cooling, LLC

Always the best service!!!

WallingfordCT06492 41.47-72.835

Larry H.

Larry H.

Performed a heating pm on (2) oil boilers. Brushed and vacuumed. Replaced the oil filters, nozzles, and strainers. Started and checked the safeties. Performed a combustion test. Systems is operating properly. While performing the pm, noticed on the 1st fl system- 1) the hi-vent has corrosion on the top and it was closed possibly from a previous leak, opened the cap and it’s not leaking at this time but recommend replacing it. 2) while the system was cooling off, one of the circulator gaskets was starting to leak where it it cracked. Recommend replacing all the circulator gaskets. 3) there is no shut off valve after the autofeed. If the valve malfunctions, there is no way to shut the water off going to the boiler without shutting off the water to the domestic coil. Recommend installing a valve after the autofeed. The 2nd fl system has a #30 extrol (expansion) tank installed. The system has cast iron radiators. Most systems require a #60 tank do to the higher volume of water tha

Near S Main St, Wallingford, CT 06492
Andrew H.

Andrew H.

Brushed and vacuumed flue pipe and heat exchanger Replaced oil filter, nozzle and strainer Checked all electrical connections and safeties Performed combustion and smoke tests 6.8%o2 40ppm co 0 smoke While performing the maintenance we found that the autofeed is not letting any water into the system and 1 hi-vent has been leaking and is not working properly. Recommend replacing both parts.

Near Surrey Dr, Wallingford, CT 06492
Larry H.

Larry H.

Valved the system off and drained the pressure at the back flow preventer. Removed and replaced the Back flow preventer and gaskets. Turned the water on and opened the valves.

Near Chimney Hill Rd, Wallingford, CT 06492
Larry H.

Larry H.

Installed a new Return Plenum with a filter at the furnace. Increased the return from a 6” flex to a 12”. Insulated the return and supply plenums. Install a Gas shut off valve next to the furnace and corrected the gas leak. Started and tested.

Near Calvin Ave, Wallingford, CT 06492
Larry H.

Larry H.

Burner was off on reset. Reset the control and it did not light. Checked system. The oil line was full of air. Bled the oil line until there was a good stream of oil. The burner started. Cycled several times. Recommend having the system serviced. There is also 2-circulator gasket that should be replaced due to prior leaks.

Near Park Pond Cir, Wallingford, CT 06492
Andrew H.

Andrew H.

Upon arrival unit was off on reset. Pushed reset and unit did not fire. Checked oil flow and had very poor oil flow. Checked oil filter, nozzle, and strainer and all were very dirty. Replaced nozzle, filter, and strainer. Bled oil line and had good oil flow. Started and tested the unit. Unit is working properly

Near Hintz Dr, Wallingford, CT 06492
Larry H.

Larry H.

We will valve off the boiler and drain the pressure from the boiler. We will remove and replace the Automatic water feed and the boiler pressure/ temperature gauge. Fill the system, purged and tested. System is operating properly.

Near Jones Rd, Wallingford, CT 06492
Larry H.

Larry H.

Turned power off and replaced the upper and lower thermostats on an electric hot water heater. Turned power on and checked amps. 18.4 amps. Water temp at the kitchen sink was 128-129*f.

Near Old Colony Rd, Wallingford, CT 06492
Larry H.

Larry H.

Checked the system and found the pilot was out. Lite the pilot and within 10 seconds the gas valve recognized the pilot flame there was very heavy wind early morning and through the day which could have blew out the pilot flame.

Near Washington St, Wallingford, CT 06492
Larry H.

Larry H.

Drain the system of pressure. Remove old autofeed and install new autofeed. Fill system back up with water and purge air out of all zones. Start and test the boiler and ensure there is no more air in the system. Replaced the pressure relief valve due to it was leaking at 20 psi after filling the system. Also shut off the water main and replaced a gate valve with a ball valve that goes into the domestic coil due to the gate valve was seized. Turned the water on and purged. The system is operating properly.

Near Calhoun Rd, Wallingford, CT 06492
Larry H.

Larry H.

The furnace is in the attic which takes care of the 3rd floor. The furnace turns on a runs then shuts off on Hi-limit. The blower turns on properly. There is only a 6” flex that goes to it for a return but it is kinked. Someone drilled holes in the bottom of the furnace to bring in more air but that is still not enough and there is no air filter. The supply plenum is not insulated. Recommend adding a return plenum and increasing the flex run and installing insulation on the supply.

Near Calvin Ave, Wallingford, CT 06492
Larry H.

Larry H.

Checked the unit. When the furnace started, there was a buzzing noise from the inducer motor. Spun the motor and it started but very loud. The inducer motor needs to be replaced. Called supplier for availability. Picked up part. Removed and installed a new inducer motor assembly. Started and tested. System is operating properly.

Near Bull Ave, Wallingford, CT 06492
Andrew H.

Andrew H.

Brushed and vacuumed flue pipes and heat exchangers Replaced oil filter, nozzles and strainers Checked all electrical connections and safeties Performed combustion and smoke tests Furnace- 4.8%o2 45ppm co 0 smoke Water heater- 5.6%o2 31ppm co 0 smoke

Near Steven St, Wallingford, CT 06492
Larry H.

Larry H.

When arrived, the customer turned the heat up and 5he burner started. Checked the oil flow and the transformer, both are ok. Checked the nozzle assembly and the turbulator had some carbon buildup on it which can disrupt the spray pattern. Replaced the nozzle. Started and checked the cad cell to see how it’s reading the flame. It was 1500 ohms. Replaced the cad cell eye and adjusted. The primary control is seeing the flame and reading 505 ohms. The system is operating properly.

Near Apple Tree Ln, Wallingford, CT 06492
Andrew H.

Andrew H.

Brushed and vacuumed flue pipe and heat exchanger Replaced oil filter, nozzle and strainer Checked all electrical connections and safeties Performed combustion and smoke tests 4.2%o2 38ppm co 0 smoke While performing the maintenance we found that 2 hi-vents had been leaking in the past and are no longer functioning properly. Tested the autofeed and found it is stuck internally and will not add water to the system. The pressure relief is slowly dripping even when the boiler pressure is at 24 indicating the pressure relief valve is bad. Also found the oil shut off valve at the oil burner is not closing completely and the stem of the valve is starting to spin when attempting to open or close the valve.

Near E Main St, Wallingford, CT 06492
Andrew H.

Andrew H.

Brushed and vacuumed flue pipe and heat exchanger Replaced oil filter, nozzle and strainer Checked all electrical connections and safeties Performed combustion and smoke tests 8.4%o2 15ppm co 0 smoke

Near Ridgetop Rd, Wallingford, CT 06492
Larry H.

Larry H.

Performed a heating pm on an oil boiler. Brushed and vacuumed. Replaced the oil filter, nozzle and strainer. Started and checked the safeties. Performed a combustion test. 5.0%o2, 3ppm, 0 smoke, 83% efficient System is operating properly. There is a fitting on the domestic water piping that has some corrosion from a previous leak. Recommend having the fitting replaced. The oil filter was very dirty. Recommend adding an additive the the oil to help clean it.

Near Seiter Hill Rd, Wallingford, CT 06492
Larry H.

Larry H.

Drain pressure from the domestic water coil. Cut out old mixing valve. Install new mixing valve with all necessary fittings and piping. Fill system back up with water. Start and test the mixing valve and adjust setting as needed. Adjusted the temperature to approximately 123*f at the kitchen sink.

Near School House Rd, Wallingford, CT 06492
Larry H.

Larry H.

Performed a heating pm on an oil boiler. Brushed and vacuumed. Replaced the oil filter, nozzle and strainer. Started and checked the safeties. Performed a combustion test. 5.8%o2, 8ppm, 0 smoke, 83% efficient System is operating properly.

Near Jeremy Woods Rd, Wallingford, CT 06492
Larry H.

Larry H.

Performed a heating pm on an oil furnace and an oil hot water heater. Brushed and vacuumed. Replaced the oil filter, nozzles and strainers. Started and checked the safeties. Performed a combustion test. Hwh- 8.2%o2, 3ppm, 0 smoke, 80% efficient. Furnace- 9.4%o2, 0ppm, 0 smoke, 83% efficient System is operating properly. The water heater is getting up there in age, recommend replacing soon before it starts leaking. Straightened the oil gauge on the tank. It was turned slightly were the float may have been hitting the side.

Near Hope Hill Rd, Wallingford, CT 06492
Andrew H.

Andrew H.

Brushed and vacuumed flue pipe and heat exchanger Replaced oil filter, nozzle and strainer Checked all electrical connections and safeties Performed combustion and smoke tests 5.7%o2 40ppm co 0 smoke While performing the maintenance we found that 3 hi-vents had been leaking in the past and were no longer functioning properly. After getting customer authorization we replaced 3 hi-vents. Bled all air out of the system and made sure hot water was coming back to the return. Unit was at 20ppm when leaving

Near Midland Dr, Wallingford, CT 06492
Larry H.

Larry H.

Performed a heating pm on an oil boiler. Brushed and vacuumed. Replaced the oil filter, nozzle and strainer. Started and checked the safeties. Performed a combustion test. 5.2%o2, 4ppm, 0 smoke, 81% efficient System is operating properly.

Near Durham Rd, Wallingford, CT 06492
Larry H.

Larry H.

Performed a heating pm on an oil boiler. Brushed and vacuumed. Replaced the oil filter, nozzle and strainer. Started and checked the safeties. Performed a combustion test. 4.9%o2, 7ppm, 0 smoke, 83% efficient System is operating properly. The boiler is an older steel boiler, recommend replacing in the future.

Near Trailside Dr, Wallingford, CT 06492
Larry H.

Larry H.

Performed a heating pm on an oil hot water heater. Brushed and vacuumed. Replaced the oil filter, nozzle and strainer. Started and checked the safeties. Performed a combustion test. 6.2%o2, 0ppm, 0 smoke, 86% efficient System is operating properly.

Near Ridgewood Rd, Wallingford, CT 06492
Andrew H.

Andrew H.

Brushed and vacuumed flue pipe and heat exchanger Replaced oil filter, nozzle and strainer Checked all electrical connections and safeties Performed combustion and smoke tests 5.7%o2 40ppm co 0 smoke

Near Durham Rd, Wallingford, CT 06492
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