
Serving Paoli, PA and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"it wentsmoth to install central air verry happy with it"





+20


Serving Paoli, PA and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"it wentsmoth to install central air verry happy with it"





+20

Serving Paoli, PA and surrounding areas
Approved
Super Service Award Winner
In business since 1959
Free estimates
Emergency services offered
"Wonderful to deal with. Very prompt service- everyone was so friendly and polite. They explained everything and were able to fix our air conditioning on the spot. Highly recommend."




Serving Paoli, PA and surrounding areas
Approved
In business since 1992
Free estimates
Emergency services offered
If you are looking for a full service HVAC business, air conditioning repair company, heating repair service, or furnace repair provider, look no further than Aire Serv. At Aire Serv you will receive licensed and knowledgeable heating and air conditioning repair technicians that provide you with upfront pricing and some of the best written guarantees in the business, like our 100% satisfaction guarantee on all heating and air conditioning services. Call Aire Serv today or request an appointment online!\n





+6
Serving Paoli, PA and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"When I turned my A/C on for the season, the system wasn?t cooling. I had a tech come out and I was told that the system had a leak. Because the age of my system, I decided to replace it with a new one. The team at Green Air Concepts were prompt, neat, and they were very nice people. They did an amazing job, and my house is now cooling beautifully."

Serving Paoli, PA and surrounding areas
Approved (Corporate)
In business since 1966
Free estimates
Emergency services offered
"We choose Unique Indoor Comfort as the company to replace our 1960’s era gas boiler with a 83% AFUE Weil McLain, and we’ve been very happy with that decision. Everyone from Unique that we interacted with was professional, personable, and patient. The latter quality being reflected in the willingness of everyone from Unique, from the salesperson to the installation crew, to take time to answer all our questions. After sizing our heating requirements, Unique presented us with several packages, of differing efficiency, that included boilers smaller than the old one, but ones that would meet our heating needs. This was in contrast to other companies that wanted to replace our old boiler with one of similar size, not taking into account that the old one was oversized to begin with. The Unique package we chose included outdoor reset, and air elimination, items that may have increased upfront costs, but ones that will probably offer savings, convenience, and increased comfort in the long run. Some other companies didn’t even mention these options. Thank you to Dante, Taz, Sam, Jameel, Brandon and all the Unique team, for making our boiler replacement project an excellent experience!"





+3

Serving Paoli, PA and surrounding areas
Approved
In business since 2001
Free estimates
Credit card accepted
"Universal Air Heating and Cooling recently installed new air conditioner and gas furnace. Smooth process from start to finish. Bill was very knowledgeable and honest about what I needed. He provided options and did not oversell additional equipment like other companies. His team installed the new systems in a timely fashion. They too were knowledgeable and were eager to teach me. They were careful while in my home and cleaned any debris. Pricing of new system was very fair for Trane. Thus far, happy to use this company and would recommend to a friend or family member absolutely."

Serving Paoli, PA and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"Excellent customer service. Immediate response to air conditioning problems I then replaced the whole system I will use them for gas heater tune up in the fall A. Breese Coatesville PA"




Serving Paoli, PA and surrounding areas
Approved
In business since 1995
Free estimates
Emergency services offered
"From the time of the estimate,to scheduling the work, all the way through to completion of the job they were phenomenal. They were very accomodating, professional, and very friendly! Also the cost was 1/2 of what another company quoted me for the exact same work. Would recommend them 100% If you need Air Conditioning in your home look no further!"


Serving Paoli, PA and surrounding areas
Approved
In business since 2005
Free estimates
Credit card accepted
With over 35 years of experience in the industry it is no wonder why Eco Green Home is the HVAC team for you. Proudly servicing the Chester community, our goal is to keep your home comfortable all year long.\n\nAt Eco Green Home Co our 1st and most important focus is making sure you are comfortable and your Heating / Air Conditioning is working we will respond quickly and be there for you if your Heater or Air Conditioner breaks down or needs replaced. I will work with you when scheduling you like me have limited time to be home from work or your busy schedule. It's bad enough you have a problem with your Heater or Air Conditioner even worse if you have to take off work for it to be repaired. Call and ask about FLEX HOURS so we can be there when it's convenient for you not us.





Serving Paoli, PA and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"Joe came and was very professional. We enjoyed talking to him about our needs and he made several recommendations about how to address our concerns. He provided several professional written estimates by email within a few days. In the end we decided to use the idea of a different company but we were impressed with Joe. We would consider using DiBiase in the future for any of our heating or cooling needs.
"





+6
A standard blower door test takes between 30 minutes and one hour to complete. The process involves setting up specialized equipment in your doorway, running the fan to create pressure differences, and taking measurements throughout your home. Additional services like thermal imaging or detailed leak detection will extend this timeframe. The technician will also spend time explaining the results and making recommendations based on their findings.
Preparation involves turning off all combustion appliances, such as gas furnaces and water heaters, for safety. Secure all exterior doors and windows, but leave interior doors open to allow airflow throughout the house. Close fireplace dampers and cover any ashes to prevent them from being drawn into living spaces. Clear access to potential inspection areas like attics and crawlspaces, and inform everyone in the household about the test to prevent accidental door openings during the process.
Older homes often benefit most from blower door testing because they have more air leakage points than newer construction. The test can pinpoint specific areas where relatively inexpensive improvements will yield significant energy savings.
Many homeowners of vintage properties report noticeable reductions in drafts and more consistent indoor temperatures after addressing issues identified during testing. The potential utility savings often recover the testing cost within a reasonable timeframe.
New construction must meet increasingly stringent energy codes that specify maximum allowable air leakage rates. Meeting these standards requires careful attention to air sealing details during construction.
Success depends largely on properly installing air barriers, thoroughly sealing around penetrations, and quality control throughout the building process. While achieving code compliance is challenging, builders who implement systematic air sealing protocols succeed in meeting required standards.
It's best to schedule a follow-up test after completing all recommended air sealing and insulation work. This allows you to verify the effectiveness of your improvements as a complete package. Allow sufficient time for all sealing materials to cure properly—often a few weeks after completion. The verification test provides documentation of your home's improved performance and confirms you've addressed the issues identified in the initial assessment.
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