Serving Strasburg, VA and surrounding areas
Approved
In business since 1936
Free estimates
Emergency services offered
"The technician (Dennis) was very knowledgeable and professional. 2 zone service performed and took time to answer all my questions. I plan to continue to use McCrea for all my heating and air conditioning services/repairs/replacements."
Serving Strasburg, VA and surrounding areas
Approved
Super Service Award Winner
In business since 2010
Free estimates
Offers commercial services
"Air We Breathe LLC exceeded our expectations. We needed them in a pinch and they were able to get us on their schedule within hours. Gerald had our problem identified and a solution in the works within 20 mins of being there. We appreciate his professionalism and will recommend them to all our friends and family."
Serving Strasburg, VA and surrounding areas
Approved (Corporate)
In business since 1950
Free estimates
Emergency services offered
"Tech immediately diagnosed problem that the filter needed replacement. Customer hadn’t received new filter and old filter was choking air flow."
Serving Strasburg, VA and surrounding areas
Approved
In business since 2016
Free estimates
Warranties offered
"Please use Marquess HVAC. Great price and phenomenal service. We shopped around and these folks had the best price, availability, and Angi reviews. We are very happy with our choice of Marquess HVAC. We trust them."
Serving Strasburg, VA and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"Air Serv was the finest contractor that we have ever used. No stress, no worries about the service personnel or the Technicians. Very courteous personnel at all levels of the Company. Any questions we had were answered thoroughly and efficiently by Ken Q, our representative. On these hot and miserable humid days we (my family) send a whole heartly "Thank You" to Air Serv for everything that have done!!"
Serving Strasburg, VA and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"My 30-year-old furnace failed on a Monday with night temps at 10 degrees. Elemental came out that day and tried to service the unit. It was unserviceable with a cracked heat exchanger. The salesperson came out at 10:00 PM at night to provide a quote for replacement. The service tech also stayed until he arrived. They didn't try to oversell beyond the equivalent of the existing unit. They replaced the entire furnace and AC units (connected) on that Wednesday (my request). I was worried that I would be overcharged given my immediate need. However, it was just the opposite. After talking with friends and neighbors who had to replace their units in the last few years, as well as a relative in the HVAC field, Elemental's price was extremely fair and reasonable. Everyone involved (repair tech, salesperson, installers) were very professional, prompt and knew their trade. I could not be more pleased with the experience and result. Assuming maintenance support will be of the same quality."
+9
Serving Strasburg, VA and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"Sean and Matt did a fantastic job installing our new air conditioning unit today. We are very please."
+11
Serving Strasburg, VA and surrounding areas
Approved (Corporate)
In business since 1951
Free estimates
Emergency services offered
M.E. Flow offers FREE in-home consultations for replacement HVAC systems and we are an authorized dealer of most major brands. Established in 1951 by Millard Edward Flow we remain family owned. Replacing your HVAC system and water heater is a big investment. When you go with M.E. Flow your satisfaction is guaranteed. We do not install customer supplied equipment, do new construction, or give quotes over the phone. We send a professional home comfort advisor to your home--even meet you after hours. During your home visit we will design you the perfect system, answer all your questions, and get your system in the family budget. Financing and/or rebates are typically available. Qualified Staff: You get a team of professionals, NATE certification means your getting the best. Company employees are required to pass a background investigation which include a criminal records check and drug testing. We also offer the best guarantees.
Serving Strasburg, VA and surrounding areas
Approved
In business since 1976
Emergency services offered
Warranties offered
"We ended up totally replacing our heating and air-conditioning unit and everything we have done in the house has been through ET Lawson and under a warranty plan through them. We wanted the same thing. Nothing against Michael & Son. He seemed very knowable."
+11
Serving Strasburg, VA and surrounding areas
Approved
In business since 2008
Warranties offered
Credit card accepted
"I was selling my house and the inspector found the fan was venting into the attic. I needed to have a professional vent it to the outside.. The HVAC tech was on time, diagnosed the problem immediately and had it vented to the outside soffit in a less than half an hour. it looks good, not noticeable and now I meet code. I thought the price was a bit high. I have a one story ranch and all he had to do was cut a hole in the soffit, reach in and pull down the vent. Other than that he did a wonderful job and I am happy.
"
+12
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.
From average costs to expert advice, get all the answers you need to get your job done.
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