Does my HVAC technician have to be NATE certified?

• <div><p>NATE (North American Technician Excellence) certification is not legally required for HVAC technicians in most areas, but hiring a professional with this certification is highly recommended. NATE-certified technicians demonstrated their expertise and proficiency in <a href="https://www.angi.com/articles/common-types-of-HVAC-systems.htm">different types of HVAC systems</a>, offering assurance of quality service. It's a voluntary certification, yet it indicates a commitment to professionalism and ongoing training. Choosing a NATE-certified technician often means you're working with someone who is up-to-date on industry standards and best practices, which can lead to better service, energy efficiency, and long-term cost savings. </p></div>

How to calculate how much it’ll cost to run my window air conditioner?

• <div><p>Here’s the cost formula to find out how much it’ll cost you to run a window air conditioner in your home: <b>Watts * (hours used) / 1,000 * (Local kWh) = daily cost of running a window unit</b>.<b> </b>If you need help calculating the cost of running your window AC unit, consult an AC repair or installation pro for an accurate estimate.</p></div>

Top-rated heating and air conditioning pros.

Get matched with top heating and air conditioning pros in Doylestown, PA

There are 45 highly-rated local heating and air conditioning pros.

TRUSTED BY DOYLESTOWN, PA HOMEOWNERS

4.5
Average homeowner rating
598
Verified heating and air conditioning services reviews

Verified Reviews for Heating And Air Conditioning Service pros in Doylestown, PA

*The Angi rating for Heating And Air Conditioning Service companies in Doylestown, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Doylestown, PA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on October 30, 2025

Reviewed in June 2025
A&B Heating replaced our furnace and A/C, and we couldn’t be happier. The team was professional, on time, and did a clean, efficient install. Everything works great, and our home is more comfortable than ever. Highly recommend them!
A B Heating and Cooling, LLC
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Reviewed in December 2024
Where do I start?! Let me just say, from beginning to end, it was 100% professional. These guys came on time, they did their job, they cleaned up, very professional, straightforward, hard-working, and much much more! They installed a water heater with no issues. The old water heater was picked...
Reale Plumbing & HVAC, LLC
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Reviewed in June 2019
Our hot water heater broke early on Saturday morning. Focus HVAC had recently done a great job replacing our AC, so I called. Although they only had 1 guy on call and it’s a 2 man job; the owner came out himself to assist with the install. Great service! I would recommend them to anyone!
Focus HVAC
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Reviewed in September 2017
We have been using them for years. They check twice a year with a service agreement for the heating and air conditioning. We have a service agreement with them, they put in our heater and air conditioner. They follow up twice a year. I think they’re comparable. They’re not the lowest price, but...
Bovio Rubino Service
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Reviewed in April 2017
We have been using them for years and years and years. We use them twice a year.We use them in the fall and in the spring. In the fall they come and service our heater, and in the spring they come and service our air conditioner. In the past we had a problem and we had to get a new heater and...
S V DEANNE HEATING & AIR CONDITIONING
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Reviewed in June 2015
Service was honest and I spoke to him about a service maintenance contract from both my AC and Heater for $273 and change. I found them to be honest, hardworking and educated in their field. Very impressed.
Therm Ayre Co LLC
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Reviewed in January 2014
I am very pleased with the results as I am currently saving money on gas and heating bills this winter 2013 and anticipate additional air conditioning energy and cost savings in the upcoming summer months.
Medford Heating And Air (Medford Heating Oil)
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Reviewed in December 2013
Installed heater and ac.
Fante's Plumbing, Heating & Air
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Reviewed in May 2013
The house is only 13 years old so it seemed ridiculous that we would need a new heater and air conditioner. We called another AC / heater company (not through Angie's list) and he came out the next morning. He replaced the thermostat for $125 and the air conditioner now works just fine.
Action Air Conditioning & Heating
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Reviewed in August 2012
Candlewood Heating and Air Conditioning offered very thoughtful solutions for installing central air condtionining amidst the challenges of working with a very old house. They arrived on time and were very pleasant from the start. By the end of the job, their dedication to providing air...
Candlewood Valley Heating & Air Conditioning LLC
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Find Heating and air conditioning pros in Doylestown

We're Morris Mechanical LLC, and we've been a premier heating contractor in Easton, PA, since 2014. We specialize in heating, air conditioning, and plumbing. We offer service installation, heater replacement, mini splits, new construction, emergency repairs, and much more. We're looking forward to partnering with Northampton, Bucks, and Warren counties to continue to offer a premier HVAC experience. We'd like to personally invite you to contact us for a tune-up, today!

"It was a very good service. They were professional, reasonable price, prompt and courteous."

Kevin C on March 2023

"It was a very good service. They were professional, reasonable price, prompt and courteous."

Kevin C on March 2023

Air King Inc.

Based In

No reviews yet

Air King Inc.

Based In

No reviews yet

Air King, Inc. offers HVAC Services in general, Installation, Repair and Maintenance all over Trevose, PA. We serve in Trevose, PA, Hulmeville Borough, PA; Croydon, PA; Lower Southampton Township, PA; Upper Southampton Township, PA; Lower Moreland Township, PA; and the surrounding areas. For more information visit our website: https://hvaccontractortrevosepa.com/

Bucks County Residential Heating & Cooling

427 Beaver St

No reviews yet

Bucks County Residential Heating & Cooling

427 Beaver St

No reviews yet

4 years of experience

Looking for a heating & cooling company that can provide you with quality service, replacement, repair & installation in Bucks or Montgomery County, Pennsylvania? Look no further than our experienced team at Bucks County Residential Heating & Cooling. We always give 100% & our customers know it! We offer services such as Heating Installation & Replacement, Air Conditioning Installation & Replacement & Heat Pump Replacement & Installation. Need a free estimate? Call us today at (267) 691-0990.

DK Property Service

1724 WILLOW AVE

No reviews yet

DK Property Service

1724 WILLOW AVE

No reviews yet

3 years of experience

We are a veteran owned small business located in Bristol PA. We provide heating and air conditioning sales and service on most heating systems.

MTak Limtied

1650 Market St

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MTak Limtied

1650 Market St

No reviews yet

We have been a custom home builder for over 15 years specializing in new construction and complete home renovations. Over the years we have developed a custom kitchen and bathroom division in reason to the demand in the market. Our experience in complete construction has been very viable in our success and customer satisfaction to deliver the complete package. With our expertise and resources we are able to provide precise and fast delivery times of product to our clients. We look forward to working with you. Thank you for the opportunity.

Concierge Handyman

4936 YORK RD

5.00(

)

Concierge Handyman

4936 YORK RD

5.00(

)

Customers say: Quick response

Recommended by 100% of Angi customers

Services: -Plumbing -Trim/Molding Installation -Window Repair/Installation -Appliance Repair/Installation -Door Installation -Equipment Assembly -Picture Hanging and Art Installation -Handyman We set out to create a simple, but extensive service to maintain our clients homes for years to come. We developed a solution with the fundamental goal of taking better care of your home, for you.

"Amazing! Every detail is perfect and our kids love their new little play pad. We couldn’t be happier with the results and the awesome job Trevor did."

Ashley S on June 2022

"Amazing! Every detail is perfect and our kids love their new little play pad. We couldn’t be happier with the results and the awesome job Trevor did."

Ashley S on June 2022

Roman Empire Plumbing

No reviews yet

Roman Empire Plumbing

No reviews yet

Roman Empire Plumbing is a family based company with over 25 years of experience with the ability to handle any job, no matter how difficult. Every one of our plumbers is passionate about their work and dedicated to making sure our customers are left without questions and satisfied with the quality of work their plumbers produce. Roman Empire Plumbing is one of the only plumbing companies that offer true 24 hour emergency service. Our plumbers are always on call, ready to get you out of any plumbing related emergency. Feel free to give us a call and see if we live up to our word.

Professional HVAC LLC

4620 Longshore Ave

No reviews yet

Professional HVAC LLC

4620 Longshore Ave

No reviews yet

9 years of experience

We provide repair service to HVAC equipment residential and commercial size. We offer basic as well as comprehensive preventive maintenance programs. We will engage the customer and offer real insight to options on repairing versus replacing your equipment. We also handle new system installations. Handyman and general building repair and maintenance is available, just ask us about your needs, we're happy to help.

Wilson's Construction

4.67(

)

Wilson's Construction

4.67(

)

Recommended by 100% of Angi customers

*** 717-435-0828 *** Carpentry: rough and finish. Flooring: Laminate, Hard wood, and PVC flooring. Door hanging: Interior double doors, Bathroom and closet doors. Light electrical: Change out receptacles, switches, ceiling fans, recess lights. Cabinetry installation: Base, Bathroom vanity, wall. ***Mosaic Backsplash*** No plumping

"Great job went well"

Jocelyn Y on January 2023

"Great job went well"

Jocelyn Y on January 2023

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Showing 31-40 of 209

Heating and Air Conditioning questions, answered by experts

Yes, it's normal for air conditioners to leak tiny amounts of water due to condensation. Under normal circumstances, all excess moisture travels to the drain pan to be pumped through your system's drain line. You should call a technician to diagnose the issue if you're noticing frequent leaking or pooling. It's also important to investigate if your homeowners insurance can cover water damage.

A blockage in the ductwork may prevent air from flowing through the vent. If some rooms in your home are very hot or cold and another isn't, that can be a sign that a vent is blocked. Another sign of a blockage is a buildup of dirt or dust around the vent. In either case, a duct installer or cleaning service can investigate the issue for you and recommend a course of action.

NATE (North American Technician Excellence) certification is not legally required for HVAC technicians in most areas, but hiring a professional with this certification is highly recommended. NATE-certified technicians demonstrated their expertise and proficiency in different types of HVAC systems, offering assurance of quality service. It's a voluntary certification, yet it indicates a commitment to professionalism and ongoing training. Choosing a NATE-certified technician often means you're working with someone who is up-to-date on industry standards and best practices, which can lead to better service, energy efficiency, and long-term cost savings.

Here’s the cost formula to find out how much it’ll cost you to run a window air conditioner in your home: Watts * (hours used) / 1,000 * (Local kWh) = daily cost of running a window unit. If you need help calculating the cost of running your window AC unit, consult an AC repair or installation pro for an accurate estimate.

Yes. In fact, not only are AC tuneups worth it, but they’re actually necessary to keep your air conditioner in good condition, improve its efficiency, and potentially prevent major damage. Experts recommend getting a tuneup at least once per year. In most cases, you’ll want to schedule it during the spring so that you can address any issues before the hottest months of the year.

The Doylestown, PA homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

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•
Oct 17, 2025Oct 17, 2025
How Much Does It Cost to Service or Repair a Boiler? [2025 Data]
The cost of boiler repair depends on the specific issue. Read our expert guide, which breaks down boiler service costs so you can budget accordingly.
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Oct 17, 2025Oct 17, 2025
How Much Does a Whole-House Fan Cost? [2025 Data]
Whole-house fans can help reduce your electric bills by providing ventilation and cool, fresh air. Use this whole house fan cost guide to price out the project.
Kelly Weimert
•
Oct 8, 2025Oct 8, 2025
How Much Does a Whole-House Dehumidifier Cost? [2025 Data]
How much does a whole-house dehumidifier cost? The final price can vary. Explore our cost guide to see what impacts the price and start budgeting now.
Jenna Jonaitis
•
Oct 20, 2025Oct 20, 2025
AC Not Working After Power Outage? 4 Reasons Why and What to Do
If your AC is not working after a power outage, you’re not alone. Learn the main reasons your AC unit is having trouble and what to do.
Taylor Freitas
•
Oct 20, 2025Oct 20, 2025
What Is HVAC? Learn About the Main Components, Types of HVAC Systems, and More
What is HVAC? Learn how your home’s heating, ventilation, and air conditioning system works to regulate your home’s temperature, humidity, and quality.
Paige Bennett
•
Oct 17, 2025Oct 17, 2025
Everything You Need to Know About Wall-Mounted Air Conditioner Units
Keep your home cool with wall-mounted AC units. Find out what wall cooling is, including pros and cons, as well as installation costs to expect.