551HVAC

Thermostat installation was smoother than I thought. The new smart unit connects to my phone, so I can adjust temperatures without being home. Feels like a luxury but also saves money. Even my kids like playing with the settings.

The upstairs bedrooms stayed warm no matter what we set the thermostat to. Turned out the ducts needed balancing. After the adjustments were made, every room now feels evenly cooled.

HVAC system maintenance sounded unnecessary at first, but I’m convinced now. They check things twice a year, clean it, and catch problems before they become serious. I haven’t had a surprise breakdown in two years since starting regular service.

testing identified mold concerns and they provided effective solutions that eliminated the problem and improved our family's health.

We upgraded our entire home heating setup, and it made a huge difference. The new system is quieter, more efficient, and heats evenly. Great recommendation and service throughout the process.

The smart thermostat installation went without a hitch. The setup was fast, and I now have full control from my phone. Thanks to 551 Construction for the smooth service.

My central air conditioning completely quit during a stretch of extreme heat. 551 HVAC came out and replaced the blower motor quickly. The cool air was back on, and I could finally sleep again without sweating through the night.

I booked a central heating maintenance checkup, and it was worth every penny. The technician was thorough and helped optimize the system for better efficiency. Great preventative service.

Heating service technician was super courteous. Patiently answered all our questions!

Best ac and heating service in north NJ Highly recommended

The installation of the new AC system was done as agreed, on time and with excellent quality. When we requested the slight adjustment, the team promptly came back and performed the fine tuning right away. The work ws priced very reasonably, and we are very happy with the final results. Would highly recommend this company.