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Heating & Cooling Services in North Haven CT

Local HVAC Repair, Replacement & Maintenance Service in North Haven CT

X-Treme Temp Heating & Cooling is your go-to HVAC service provider in North Haven, 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.

Keep Your Home Comfortable with Our Local North Haven HVAC Services

Read the reviews below from North Haven, 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 North Haven, CT

X-Treme Temp Heating & Cooling, LLC Rated 5.0 out of 5 stars based on 19 customer reviews


Map of North Haven, CT 06473

First service with Xtreme




Review of X-Treme Temp Heating & Cooling, LLC

Larry our service tech was pleasant and knowledgeable in answering my questions pertaining to our boiler. He completed our service efficiently and we will be using Xtreme’s again in the future!

North HavenCT06473 41.39-72.8825

Map of North Haven, CT 06473

We Definitely are glad we have X-Treme Heating and Cooling !




Review of X-Treme Temp Heating & Cooling, LLC

We had our oil tank replaced today............extremely satisfied with exceptional work performed. No smell of oil and cleanup after was amazing. We totally we recommend this company for any and all services.

North HavenCT06473 41.3775-72.8425

Map of North Haven, CT 06473

Very Professional - Exceptional




Review of X-Treme Temp Heating & Cooling, LLC

North HavenCT06473 41.3775-72.8425

Map of North Haven, CT 06473

Great service and prices




Review of X-Treme Temp Heating & Cooling, LLC

So happy with X-TREME TEMP Larry cleaned and serviced my furnace and I must say I’ve had other companies in the past that couldn’t come close to how X-TREME TEMP does the job right! The last company I used will never see me again!! Got a problem call X-TREME you’ll be happy too!

North HavenCT06473 41.4025-72.8325

Map of North Haven, CT 06473

Excellent Service!




Review of X-Treme Temp Heating & Cooling, LLC

Very professional and knowledgeable. I would definitely recommend the company

North HavenCT06473 41.3875-72.88

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.


Map of North Haven, CT 06473

Prompt - and very satisfactory job - asked if we had any questions and was very profesional




Review of X-Treme Temp Heating & Cooling, LLC

definitely would recommend this company for service.

North HavenCT06473 41.3775-72.8425

Map of North Haven, CT 06473

Excellent service!!




Review of X-Treme Temp Heating & Cooling, LLC

North HavenCT06473 41.38-72.8475

Map of North Haven, CT 06473

Excellent service!




Review of X-Treme Temp Heating & Cooling, LLC

Larry was personable, knowledgeable, and got our central air up and running. Highly recommend!

North HavenCT06473 41.38-72.8625

Map of North Haven, CT 06473

Excellent Service!




Review of X-Treme Temp Heating & Cooling, LLC

Dylan was here early. Explained what he was doing. Did a great job!

North HavenCT06473 41.38-72.895

Map of North Haven, CT 06473

Exceptional Service!




Review of X-Treme Temp Heating & Cooling, LLC

Very pleased with service provided by Larry. He arrived during the time frame given, He was very respectful of our home, wore booties to protect our carpet, and came prepared with required tools and parts. He gave a good explanation of operating the thermostat - changing batteries etc.

North HavenCT06473 41.3775-72.8425

Great service




Review of X-Treme Temp Heating & Cooling, LLC

Larry was an excellent technician. Arrived right on time, knowledgeable and concerned with safety. Gave good information on keeping the furnace clean throughout the year. Nice guy great company. Got an appointment right away. I will absolutely be using this company again for all our service needs and yearly maintenance.

North HavenCT06473 41.42-72.83

Great serviceman




Review of X-Treme Temp Heating & Cooling, LLC

The service man showed up on time and took care of everything and explained everything to me that needed to be done. He was very courteous and friendly, and I would definitely recommend him.

North HavenCT06473 41.37-72.85

Andrew was AMAZING!!!




Review of X-Treme Temp Heating & Cooling, LLC

Andrew was absolutely AMAZING!!!! He was knowledgeable, patient and kind. He took time explaining the service and then replacement of part to me in complete detail. Thank you Andrew!

North HavenCT06473 41.4-72.8425

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

We are so grateful for your 5-star review. Thanks for sharing your rating with us and the community.


Great dependable service. Always there when needed and with fair pricing




Review of X-Treme Temp Heating & Cooling, LLC

Awesome service!

North HavenCT06473 41.3875-72.845

Good Service




Review of X-Treme Temp Heating & Cooling, LLC

Andrew was very knowledgeable. Happy with service,

North HavenCT06473 41.375-72.89

Homeowner




Review of X-Treme Temp Heating & Cooling, LLC

He showed up on time. He was very neat, kept the basement clean without any oil odor.

North HavenCT06473 41.4125-72.88

Fantastic Service




Review of X-Treme Temp Heating & Cooling, LLC

Andrew was the service person who arrived and was not only very knowledgeable, he was polite and genuinely friendly. He took the time to explain everything that he was doing and the cause of the issue. Rarely to you receive this level of professionalism any longer.

North HavenCT06473 41.38-72.8475

Great Service!




Review of X-Treme Temp Heating & Cooling, LLC

North HavenCT06473 41.38-72.8625

Great service




Review of X-Treme Temp Heating & Cooling, LLC

North HavenCT06473 41.3975-72.835

Andrew H.

Andrew H.

Drained the old water heater and boiler. Removed the old water heater and installed a 40 gallon Weil McLain Aqua Plus 45. Filled systems and purged all zones. Installed a Tiger Loop at the boiler and installed a new coated oil line from the tank to the burner. Blew out the oil line and crimped the ends. System is operating properly.

Near Hidden Pond Dr, North Haven, CT 06473
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. Blew out the oil line. The tank valve on the left tank was blocked. The oil filter was very dirty. Recommend adding an additive to help clean the oil. Performed a combustion test. System is operating properly. The was a lot of corrosion on the bad of the boiler from a previous leak. Recommend replacing the boiler due to age. The flue pipe metal is getting thin. Recommend replacing the flue pipe.

Near Stephen Ct, North Haven, CT 06473
Andrew H.

Andrew H.

Pumped out the oil from the tank. Removed and replaced the 275 gallon oil tank and fill and vent piping. Pumped the oil back into the tank. Connected the oil line and purged. Started and tested the boiler.

Near Hidden Pond Dr, North Haven, CT 06473
Larry H.

Larry H.

The burner was off on reset when arrived. Reset the control and it did not light. Checked the oil flow and transformer. Found some carbon buildup between the nozzle and electrodes. Cleaned the assembly and replaced the nozzle. Started and burned off the excess oil in the chamber. System is operating properly.

Near Scrub Oak Rd, North Haven, CT 06473
Andrew H.

Andrew H.

Drained pressure from the system. Remove old hi-vents, autofeed, and pressure relief. Installed new hi-vents, autofeed, and new pressure relief. Filled the system back up with water and purged all air out of the system. Started and tested the unit. Ensured hot water is coming back to the boiler. When leaving boiler pressure was at 20 psi.

Near Colonial Dr, North Haven, CT 06473
Larry H.

Larry H.

Checked system. The gas furnace was locked out with an error code “14”, ignition failure. Cycled power and the furnace started and lit. Found the flame sensor dirty. Cleaned the sensor and checked the Hot Surface Ignition. Started and tested several times. The furnace operates properly. While it was running, the inducer motor was noisy, checked the amps, the motor is drawing 1.9 amps and rated at 1.8 A. Recommend replacing the inducer motor before it fails.

Near Washington Ave, North Haven, CT 06473
Larry H.

Larry H.

Started the system and the burner starts properly with no delay and the draft damper does not move allowing anything to come into the room. The customer mentioned that the smell was stronger in the bathroom area where the oil tank is. Checked the bottom of the tank and saw several drop of oil on the bottom. Did not see any streaks going down the side of the tank. The oil is red in color indicating that it is new. It is only wet around the drops of oil. Customer put a pan under the tank. Recommend replacing the oil tank. While on site, the customer mentioned that the downstairs zone was not turning on. Checked the thermostat and it was several degrees off. Replaced the thermostat and tested.

Near Hidden Pond Dr, North Haven, CT 06473
Larry H.

Larry H.

Performed a heating pm on an oil furnace. Brushed and vacuumed. Replaced the oil filter, nozzle and strainer. Started and checked the safeties. Performed a combustion test. System is operating properly. Need to send customer a price on replacing oil line from the tank to the furnace and replacing 3-5” 90’s on the flue.

Near Revere Rd, North Haven, CT 06473
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 9.0%o2 24ppm co 0 smoke

Near Kings Hwy, North Haven, CT 06473
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 6.4%o2 40 ppm co 0 smoke

Near Turner Dr, North Haven, CT 06473
Larry H.

Larry H.

Performed a heating pm on a gas furnace. Cleaned the flame sensor and checked the gas pressures. Started and checked the safeties. Performed a combustion test. System is operating properly.

Near Old Kiln Rd, North Haven, CT 06473
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. System is operating properly. There is no Firematic shutoff safety valve before the oil filter in the boiler room. Recommend installing a safety shut off valve

Near Allendale Dr, North Haven, CT 06473
Andrew H.

Andrew H.

Upon arrival the boiler was on and we heard a large amount of air in the pipes. We bled all 3 zones of air until we had cold water coming back. Started and tested all 3 zones. Had hot water coming back to all 3. Unit is working properly. When leaving the boiler was at 18 psi. Recommend replacing 2 hi vents. They have been leaking out water in the past and are no longer getting air out of the system. Also recommend replacing the pressure relief due to a slight drip.

Near Colonial Dr, North Haven, CT 06473
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 6.2%o2 40ppm co 0 smoke While performing the maintenance we found water in the oil filter canister again. Brought this up to the customer and they authorized the addition of a water/sludge additive. When pouring the additive in the fill pipe we noticed the vent pipe cap was missing the top part. Notified customer of this and showed them what we were talking about. Recommend replacing the vent cap. We also still recommend replacing the 2 hi-vents on the boiler. They are not letting air out of the system like they should be and they have been leaking in the past but are not currently leaking. Customer stated they are having issues with the water temp coming from the water heater. Upon further inspection found the water heater is from 1997. Manufacturers recommend a lifespan of roughly 15 before replacing. Due

Near Robin Ct, North Haven, CT 06473
Andrew H.

Andrew H.

Upon arrival unit was on but not running. Upon further inspection found there was an error code for open pressure switch(E32). Found that the drain lines for the pressure switches and the inducer motor had water in them. Also found that the condensate line going to the condensate pump had a blockage in it which was causing the pressure switch to not close fully due to the water. Blew out all drain lines and made sure there were no other obstructions. Cycled system on and off multiple times and unit was turned on and off accordingly. Also watched it complete 3 full cycles. Unit is working properly

Near Bleeker Cir, North Haven, CT 06473
Larry H.

Larry H.

Drained about a gallon of oil out of the line. The was a little bit of water left in the oil line. Replaced the oil filter, nozzle, and strainer. Cleaned the inside of the fuel pump and the nozzle line. Started and tested. The burner starts properly.

Near Ridge Rd, North Haven, CT 06473
Andrew H.

Andrew H.

Upon arrival unit was off on reset. Pushed reset and burner turned on but did not establish a flame. Checked oil flow and found water in the oil. Put 4 bottles of water/sludge additive into the oil tank. Drained 7-8 gallons of water/oil mix and was still not getting any clean oil. Recommend having a company come and pump out the bottom of the oil tank. Safety Kleen- 860-754-2400

Near Ridge Rd, North Haven, CT 06473
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. System is operating properly.

Near Bassett Rd, North Haven, CT 06473
Andrew H.

Andrew H.

Brushed and vacuumed burner tubes Inspected and vacuumed burner and blower compartments Checked electrical connections and safeties Checked gas pressure Performed combustion test 5.5%o2 8ppm co Inlet pressure- 7.974 in.w.c. Manifold pressure- 3.753 in.w.c.

Near Standish Ave, North Haven, CT 06473
Andrew H.

Andrew H.

Upon arrival unit was on but was off on reset. Pushed reset button and unit started right up. Checked wiring connections and the cad cell eye. Checked the nozzle and found carbon buildup on the end cone and the nozzle, as well as oil dripping from the nozzle. This could cause the boiler to go off on reset due to the boiler not seeing a good flame. Replaced the nozzle and cleaned all carbon and oil off of the end cone. Started and tested the boiler and unit is working properly.

Near Janet Dr, North Haven, CT 06473
Larry H.

Larry H.

The water heater was off on reset. Checked the fuel flow which is strong and clear. Checked the transformer which was very weak. The transformer needs to be replaced. Replaced the transformer. Started and burned off excess oil in chamber. Cycled and it’s operating properly.

Near Janet Dr, North Haven, CT 06473
Larry H.

Larry H.

Performed a heating pm on a Gas Furnace and Gas Hot Water Heater. Checked gas pressures and checked safeties. Blew out drain line. Checked electrical connections. Checked air filter (starting to get dirty, customer has replacements). Started and checked operation of furnace and dampers. Recommend replacing the neutralizer pellets in the condensate drain. Removed the burner assembly on the water heater and cleaned. Checked the safety and operation. Drained some water out of the tank. Recommend replacing the anode rods in the water heater every couple of years. Both systems are operating properly. Goodman GMES960603BNAA Sn 2002303370 Rheem PROG50-42N Sn 0142023280

Near Bassett Rd, North Haven, CT 06473
Larry H.

Larry H.

Checked system. The thermostat was not getting any power. It’s hardwired. Found the low voltage fuse in the furnace was blown. Replaced fuse, had 24v at the thermostat. Checked wires. Found the sub base for the thermostat was bad. Replaced the sub base. The furnace turned on but the condenser did not. The thermostat wire at the condenser was cut which shorted out sub base and fuse. Repaired the wires and system turns on properly. Checked the charge. The system is properly charged and cooling off the space.

Near Washington Ave, North Haven, CT 06473
Andrew H.

Andrew H.

Upon arrival found that one zone was calling and had 28 volts at the zone valve allowing water through that zone and causing the boiler to run. Turned all zones off and tested each thermostat one by one to figure out which zone was calling. Determined that the zone that was calling was the bedroom in the secondary part of the house. All other thermostats and zones were turning on and off properly. Labeled all zone valves and wrote on a paper near the zone valves for the corresponding thermostats for future reference. Unit is operating properly.

Near Bassett Rd, North Haven, CT 06473
Larry H.

Larry H.

Checked system. Boiler was at temp but customer did not have any hot water. Checked the indirect tank. The was hot water going into the tank from the tankless coil but the circulator pump was not running. Followed the power cord to a strip plug that did not have power. All the breakers were good. The outlet for the strip plug was tied to a GFI outlet on the other side of the wall that was tripped. Reset and pump is working properly. Noticed some water on the floor need the pressure relief valve. Drained some the pressure to 20 psi and it was slowly going up. Shut the valve for the water feed and the pressure stayed steady. Recommend replacing the automatic water feed when the PM is done and tie in the circ pump to the switch at the boiler.

Near Colonial Dr, North Haven, CT 06473
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