What’s the best thermostat setting for summer in Bristol?

For optimal comfort and energy savings during summer in Bristol, set your thermostat to 78°F (25°C) when you're home. If you're away, raising it to 85°F can help reduce cooling costs. Using a programmable or smart thermostat can make these adjustments automatic and more efficient.

Do you provide emergency after-hours HVAC service in Bristol?

We are available 24/7 to take your call for emergencies. Our appointment hours are listed above.

How can I improve indoor air quality in Bristol?

To improve indoor air quality in Bristol, start by regularly changing your HVAC filters, scheduling routine maintenance, and using air purifiers. Consider duct cleaning if your home has excessive dust or allergy symptoms. Proper ventilation and keeping your home clean are key to healthier air.

How often should I service my HVAC system in Bristol?

It’s ideal to service your cooling system each spring and your heating system each fall to ensure you find small issues before they become big problems.

Do you offer HVAC financing in Bristol?

We work built relationships with several lenders to ensure our customers are able to restore comfort in their homes. Ask your technician about your financing options.

How often should I have my furnace serviced in Bristol?

It’s recommended to have your furnace professionally serviced once a year, ideally in the fall before the heating season begins in Bristol. Annual maintenance helps ensure safe operation, improves efficiency, and can extend the life of your system.

How often should I have my air ducts cleaned in Bristol?

It’s generally recommended to have your air ducts cleaned every 3 to 5 years in Bristol, or more often if you notice dust buildup, allergies, or musty odors. Homes with pets, recent renovations, or high pollen levels in Terryville may benefit from more frequent cleanings to maintain healthy indoor air quality.

How often should I schedule AC maintenance in Bristol?

You should schedule AC maintenance once a year, ideally in the spring before the cooling season starts in CT. Regular tune-ups help your system run efficiently, prevent breakdowns, and extend the life of your unit, especially important in Bristol's summer climate.

What size HVAC system is right for my home in Bristol?

The right HVAC system size for your home in Bristol depends on factors like square footage, insulation, number of windows, and local climate. A professional load calculation ensures your system is properly sized for comfort and efficiency. Oversized or undersized units can lead to higher energy bills and uneven temperatures.

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Bristol HVAC Services

One Hour Heating & Air Conditioning® of Bristol

4.9

(692 reviews)

Heating & Cooling

Services By One Hour

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HVAC Repair, Installation & Maintenance

Heating, AC & Furnace Repairs in Bristol, CT

When homeowners want a reliable heating or air conditioning system that they don’t have to think about, they call One Hour Heating & Air Conditioning. We are the premier HVAC service provider in the United States for a simple reason: we actually care about your comfort.

At One Hour, we respect you, we respect your time, and, most importantly, we respect the trust that you put in us to keep your home comfortable. It’s why we back all of our work with a 100% customer satisfaction guarantee for two years, and it’s why we’re always on time—guaranteed.

We Have a Reputation

For Being Punctual, Friendly and Knowledgeable

4.9

(692 reviews)

Jesse Olton

02-16-2026

“THE ABSOLUTE BEST COMPANY! Jon went above and beyond, he was extremely helpful and honest. I truly felt like he wanted help. I wouldnt recommend anyone else at this point they are the absolute best. We'll be customers for life.”

john colon

02-14-2026

“Jon was very polite,knowledgeable and wry informative when it came to explaining all your up front pricing and options. We are very please with the service provided and very glad we chose one hour over all the rest.”

Kierstin Sieser

02-10-2026

“Quick, professional, and explained everything! Highly recommend.”

David Corpolongo

02-09-2026

“Jon is very very helpful and professional explained my problem told me what it would take to correct it and completed the job in a very timely manner would highly recommend him,”

Tenesha Grant

02-06-2026

“Jon was very personable. He explained things in a way that I can understand. It's me and my sons only and he explained to them the importance and safety of the maintenance of our heating system. He recommended their club plan and I will definitely become a member. Thanks Jon!!”

BEI

02-05-2026

“Professional, outstanding job! Thank you”

Janiece Boddie

02-03-2026

“The service was outstanding. The team was friendly, went above and beyond, and even helped with things beyond the service they came to do. When an issue came up that wasn’t their fault, they called CNG and had it resolved within the hour. Jon explained everything clearly and showed me how to change the filter. As a nurse who is always caring for others, it felt great to be taken care of. Highly recommend!”

Ellen Evans

01-31-2026

“Always thorough and friendly.”

Leanne Butler

01-29-2026

“Super knowledgeable and friendly. Really great service!”

Rey Michaud

01-29-2026

“Jon Sirois was my tech. He was profession, friendly, efficient, and explained everything along the way so there were no surprises. A pleasant experience over all.”

Special Offers

Mention these discounts at time of service

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$50.00 Off

Any HVAC Repair

Don't get left in the cold! Save $100.00 on any repair. Can NOT be combined with any other special or discount.

Expires: February 28, 2026

License: #S-1 303469
Now Offering Duct Sealing & Duct Cleaning!

Take efficiency and air quality to the next level in your home!

No Obligation quotes for duct sealing and duct cleaning! Lic. #S1-303469

Expires: July 30, 2027
Need A/C or Heat?

Free no obligation estimate to install heating and/or A/C

ASK US ABOUT THE CURRENT REBATES AVAILABLE IN CONNECTICUT AND FINANCE OFFERS! Lic. #S1-303469

License: #S-1 303469
Oil Heat Tune Up $249.00

Schedule your maintenance before your equipment schedules it for you!

Our licensed back ground checked tech will: Vacuum the heat exchanger, chamber and flue pipe assembly. Replace the nozzle, pump screen and filter cartridge. Clean and inspect the electrodes,fan blade, cad cell and end cone. Start and check the burner settings, perform a safety inspection and provide you with a system efficiency report. Must Be scheduled before 1/31/2026-not combinable with other discounts..

Expires: February 28, 2026

Valid at participating locations. Limit one coupon per household. Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Some restrictions, taxes and fees may apply.
Gas Maintenance Special $149.00

Schedule your maintenance before your equipment schedules it for you!

Our back ground checked, drug tested, licensed technician will check the electrical components, the safeties, pressures and make sure the system is operating safely and efficiently. Must be Scheduled before 1/31/2026. Not combinable with other discounts.

Expires: February 28, 2026

Valid at participating locations. Limit one coupon per household. Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Some restrictions, taxes and fees may apply.
10% Military Discount Off a Standard Rate Repair

Thank you for your service!

Active duty military personnel, veterans and immediate families are eligible for a 10% discount off our standard rate repair when you mention this add. This offer is for non-club customers only.

Valid at participating locations. Limit one coupon per household. Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Some restrictions, taxes and fees may apply.
10% Senior Discount off A Standard Rate Repair

Price Conscious seniors can take 10% off our standard rate repair when you mention this add! Discount Valid for those 65 & older. This offer is for our Non Club customers only.

Valid at participating locations. Limit one coupon per household. Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Some restrictions, taxes and fees may apply.

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Bristol HVAC Services You Can Count On

Our customers love what we do because we treat them like the neighbors they are to us. While we carry the One Hour name, were an independently owned and operated business with a personal investment in the local community. We back our work with a 100% satisfaction guarantee, provide StraightForward® pricing guides for your benefit, and will pay you back for being even one minute late to an appointment.

Here For You

When You Need Us Most!

Yellow One Hour Heating & Air Conditioning service van with company branding and slogan.

'Round the Clock Availability

No matter the hour, you can trust One Hour to be there to help you when you get hit with the unexpected.
100% Satisfaction Guarantee

We guarantee our materials, labor, and craftsmanship for up to two years from the date of your service.
StraightForward Pricing® Guide

Before we start any work, we discuss your available options so you know exactly what you are getting and how much it will cost. No hidden fees!
Always On Time…Or You Don’t Pay A Dime!®

We understand your time is valuable, so we promise to arrive at your home within the predetermined time window that you select, or your service call is free.

Financing Available!

Prioritize your comfort without fronting the entire bill on day 1 – contact us today to learn more about financing options.

Discover Your Options

HVAC Near Me In...

One Hour Heating & Air Conditioning® of Bristol services the following communities:

One Hour Heating & Air Conditioning technician talking to a customer on the phone.

Hours of Operation

We are available 24/7 to take your call for emergencies. For all other services, our appointment hours are:

Monday

24 hours

Tuesday

24 hours

Wednesday

24 hours

Thursday

24 hours

Friday

24 hours

Saturday

24 hours

Sunday

24 hours

You've got questions

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Expert Tips

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Servicing your entire home

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Authority Brands is the leading provider of in-home services, building brands that support the success of franchisees as well as better the lives of the homeowners we serve and the people we employ.