Services Offered
- HVAC installation or replacement
- HVAC system repair
Question Answers
As a Waltham homeowner, my energy bills are high. Can you help diagnose why?
Absolutely. High energy bills are a common concern in our area, often due to an aging or inefficient HVAC system. Our technicians perform detailed efficiency assessments, checking for issues like poor insulation, duct leaks, or an overworked unit. We'll provide clear recommendations, which may include repairing specific components, upgrading to a more efficient Mitsubishi or Lennox system, or adding features like a programmable thermostat to better manage your home's climate and reduce costs.
What brands do you install for a full HVAC system replacement?
As authorized dealers, we install reliable, energy-efficient systems from leading manufacturers. We are Mitsubishi Diamond Contractors, experts in their ductless and traditional systems, and also have a strong history with Lennox® equipment. During a consultation, we'll discuss your home's needs and budget to recommend the best brand and model for lasting comfort and value.
How quickly can you typically respond to an HVAC repair call in the Boston area?
We prioritize getting your heating or cooling back on track quickly. For repair calls in Waltham and the greater Boston area, we offer prompt scheduling. Our experienced technicians can efficiently diagnose common problems, from thermostat malfunctions to compressor issues, and we keep a well-stocked inventory of parts for many brands to facilitate faster repairs.
Business Overview
Central Air Systems is your trusted local HVAC expert in Waltham, MA, providing dependable heating and cooling services for homes and businesses throughout the Boston area. As Mitsubishi® Diamond Contractors, our team possesses deep knowledge of high-performance systems, offering installations and repairs tailored to your specific comfort and budget. We specialize in diagnosing and fixing issues with ductless mini-split systems and can conduct thorough efficiency assessments to help lower your energy costs. Whether you need a reliable repair or a new system from brands like Mitsubishi or Lennox®, our priority is delivering solutions that put your comfort first with honest, professional service.
Business Location & Hours
| Mon: | 7:00 AM - 7:00 PM |
| Tue: | 7:00 AM - 7:00 PM |
| Wed: | 7:00 AM - 7:00 PM |
| Thu: | 7:00 AM - 7:00 PM |
| Fri: | 7:00 AM - 7:00 PM |
| Sat: | Closed |
| Sun: | Closed |




