*The Angi rating for Heating And Air Conditioning Service companies in Milltown, NJ 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 Milltown, NJ 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 February 06, 2026
Serving Milltown, NJ and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"Staff is very friendly and helpful and well-trained professionals. They serviced my appliances and solved my issues on the same day whereas other service companies would not. Liv Air is the best HVAC service provider and I highly recommend their services."
+46
Serving Milltown, NJ and surrounding areas
Approved
In business since 1972
Free estimates
Emergency services offered
"ALPINE HAS BEEN SERVICING THE EQUIPMENT THEY INSTALLED FOR MORE THAN 6 YEARS. TWO HVAC UNITS AND A GENERATOR. SERVICE HAS BEEN EXCELLENT AND ANY PROBLEMS WITH THE UNITS HAVE BEEN RESOLVED QUICKLY. I PLAN ON USING ALPINE WELL INTO THE FUTURE."
+22
Serving Milltown, NJ and surrounding areas
Approved
In business since 1996
Free estimates
Emergency services offered
"My vents were cleaned by Juan. He was very professional and knowledgeable. I feel very good about this company and will hire again."
+13
Serving Milltown, NJ and surrounding areas
Approved
In business since 1994
Free estimates
Emergency services offered
"We have been very pleased to use Raynor Services for installing new outlets in our home as well as yearly service to our heating system and electrical inspection of our electrical systems. Bob E. just left after inspecting our electric and offering some options for projects we plan next spring. The attention to customer satisfaction from Raynor has been exemplary. We can always reach a live polite person by phone, receive immediate attention, and on-time respectful technicians that clean up after they are done working. Bob E. was professional and yet cheerful and friendly in explaining options and costs to me this morning. Who could ask for anything more? We do pay $19 per month to insure our HVAC and electrical systems are safe and effective. Raynor is our trusted "go-to" company."
+6
Serving Milltown, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Free estimates
Emergency services offered
"Thanks Mark for cleaning my dryer, air vents and ducts. You were very respectful of my house, thorough and explains to me what you were doing and helping me understand what you’re trying to accomplish. I think you worked above and beyond. You even made a video because obviously I cannot be watching you and be at the attic where my HVAC unit. And I thank you for that- you are trustworthy!"
+19
Serving Milltown, NJ and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"I AM BUYING A HEATER SERVICE CONTRACT FROM PETRO THIS YEAR."
Serving Milltown, NJ and surrounding areas
Approved (Corporate)
In business since 1994
Emergency services offered
Credit card accepted
"My experience with air experts for the installation of a new HVAC unit and hot water heater was nothing short of superb. The team of technicians that arrived were professional, clean cut and the hardest working young men I have ever seen, all of them. They worked from 9am until after 10pm. Todd, the lead tech, Dennis, Iilia, and Acold were tireless on the installation. They were obviously dedicated employees that the company should be proud of. The installation of the HVAC was difficult as it was in a crawl space. I couldn't be more pleased! The we're contracted through Lowe's and I found David Page, the sales rep, to be professional and responsive to my initial concerns."
+3
Serving Milltown, NJ and surrounding areas
Approved
In business since 1996
Emergency services offered
Credit card accepted
"Mike and his crew are knowledgeable, courteous, friendly and super air. I have never seen such honest pricing. I highly recommend using them for your air conditioning and heating needs."
+2
Serving Milltown, NJ and surrounding areas
Approved (Corporate)
In business since 1971
Free estimates
Emergency services offered
"The workmanship looks good but I have to wait to gets hot so I can turn the AC on to see how good it works"
Serving Milltown, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2001
Free estimates
Customers say: True professional
"Moved into our home which had been vacant for four years. They cleaned and disinfected the ducts and vents. Turns out the ducts has likely never been cleaned. There was an immediate change in the indoor air quality. Technicians were polite and professional and kept everything clean. Also showed me some other things with the HVAC system which will need attention."
Knowing how long your existing HVAC units can last is essential to determine if you need a repair or replacement. Typically, most modern air conditioning units can last between 15 to 20 years, and most furnaces can work properly for 15 to 30 years. If your HVAC system is on the older side and you decide to replace one unit, it might make sense to replace both simultaneously to save on costs and future hassle.
While different HVAC contractors might offer higher or lower prices than competitors, the best time to replace your HVAC system is when customer demand is low. The beginning of summer and the beginning of winter bring the most demand for HVAC systems, so if you can, consider replacing your HVAC units in the early spring or fall. Many HVAC companies offer special off-season coupons that help lower the overall cost.
The average cost to hire an HVAC contractor is between $50 and $150 per hour if charging hourly. However, some HVAC contractors will charge a flat fee by the type of service they are performing—for example, an inspection can cost between $150 to $500. Keep in mind that emergency repairs—which are made after business hours or around major holidays—generally cost more than scheduled repairs.
Yes, most states require HVAC technicians to be certified, and for good reason. Hiring an unlicensed HVAC technician could lead to poor quality work, costly future expenses, and potential code violations.
As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:
The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi
Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.
The average cost of HVAC repairs is around $350. However, that price can be as low as $100 or as high as $2,000 or more, depending on the repair. For example, replacing a capacitor is a relatively inexpensive repair, ranging from $100 to $500. However, a compressor repair is a more expensive repair, ranging from $750 to $2,000.
From average costs to expert advice, get all the answers you need to get your job done.
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