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Frequently Asked Questions

How Often Should an AC System Be Inspected?

Most manufacturers recommend once per year. Systems under heavy use or in high-humidity climates like Mansfield, MA may benefit from more frequent attention, particularly if the system runs through long cooling seasons.

How Long Does an Inspection Take?

A professional multi-point inspection generally takes one to two hours, depending on system type and condition. Our technicians don’t rush through a checklist. If they find something worth discussing, they can take the time to walk you through it.

Do You Inspect Ductless Mini-Split Systems?

Yes. Ductless systems have their own maintenance requirements, including coil and filter cleaning, that differ from ducted systems. Our technicians are trained on mini-split service as part of our Mitsubishi Electric Diamond Contractor certification.

Can an Inspection Find Refrigerant Leaks?

A technician can inspect refrigerant levels and look for signs of a leak. If the outdoor temperature is below 65°F at the time of the visit, refrigerant checks may be deferred to a follow-up appointment when conditions allow for an accurate reading.

Is Professional Maintenance Required to Keep a Warranty Valid?

Many manufacturers require documented annual service to maintain warranty coverage. We recommend reviewing your specific warranty terms. Our technicians document the inspection for your records so you have what you need on file.

What’s the Difference Between an Inspection and a Tune-Up?

An inspection identifies the condition of your system’s components. A tune-up includes cleaning, adjustments, and minor corrections. We perform both as part of a single AC maintenance visit, so you don’t have to book separate appointments.

Early Bird Special!

Trusted by Homeowners & Businesses Across Our Community

See why customers rely on us for honest, quality service.
  • I couldn’t be happier with his service.
    “My furnace wasn’t firing. I called, within 45 mins someone was here. He was excellent & had it up in running in no time. I couldn’t be happier with his service. Definitely an asset to the company.”
    - Paula F.
  • Efficient and professional
    “Eric was great. Had a water heater installed, they were efficient and professional. Would use again.”
    - H.K.
  • Very quick response and repair!
    “Very quick response and repair! Very happy with Quarry Hills!”
    - David F.
  • I would recommend Bill and his company to all my friends.
    “Bill the owner responded within a half an hour in a Sunday to help my Mom with her AC. He diagnosed the issue quickly and performed a short term repair to allow us to use the AC until he was able to find a control board because our system is older. Once he found the board he sent out Jon the technician and he was great with my Mother who is older and was very thorough. I was at work and he called me when he was done to tell me everything was working properly. I would recommend Bill and his company to all my friends.”
    - Michael J.
  • I had an excellent experience working with Nathan from Quarry Hills HVAC!
    “He was extremely professional, easy to talk to, and made the whole process stress-free. His customer service skills are top-notch — he really took the time to listen and quickly found a solution that worked perfectly. It’s rare to come across someone who’s both knowledgeable and genuinely cares about their customers. Nathan is a true asset to the Quarry Hills team!”
    - Elizabeth N.
  • Thank you Quarry Hills!
    “Quarry Hills Plumbing put my system years ago but I had not needed service in a long time. My AC started shutting down unexpectedly on a Friday before the hottest weekend of the year. I called in the morning and Quarry Hills was able to send Tim out same day and he got my AC up and running shortly after, and gave me some tips to prevent pollen and debris from causing future issues. I am so grateful for such prompt and effective service and will be buying a maintenance plan going forward.”
    - Joan W.
  • They were on schedule, on budget and a good crew to work with.
    “Quarry Hills helped us convert from a dirty expensive oil furnace to a clean efficient gas furnace. They were on schedule, on budget and a good crew to work with. Always able to answer any questions and went above and beyond to provide a good experience. Looking forward to working with them again soon!”
    - Bill R.
  • I swear they are a bunch of HVAC SUPERHEROES!
    “We have been using Quarry Hills since 2018. I can’t count how many times I have called in state of panic over some HVAC issue. The ladies who answer the phones are CALM, PROFESSIONAL AND SMART…and the HVAC technicians are ABSOLUTE GENIUSES! Our HVAC issues are complicated and these guys never give up! This winter our entire furnace and water heater system had to be replaced. Bill, the owner and his team helped us make a plan that was PERFECT for our budget and our home. The installation was done ON TIME and ON BUDGET! We were informed of everything that was happening and they answered all of our questions with PATIENCE and a smile!! I swear they are a bunch of HVAC SUPERHEROES!”
    - Darlene P
  • Knowledgeable, and caring about their work
    “Received excellent, professional service. Knowledgeable, and caring about their work. Great communication from office on arrival time. My now go to for plumbing work.”
    - Hamilton C.

Experience the Difference of a Team That Truly Cares

Serving the Community with Care and Expertise Since 1981
  • Exceeding Expectations, Every Time
    We take pride in delivering precise, reliable work that stands the test of time and keeps your home running smoothly.
  • We’re Here Long After the Job
    Our support doesn’t stop when the work is done. We ensure your systems continue performing at their best.
  • Fast Response When You Need Us Most

    Whether it’s day or night, our team is ready to tackle urgent issues quickly and efficiently.

  • Your Happiness Is Our Priority

    We’re not done until you’re completely confident and satisfied with every aspect of our service.