Advance Air & Heat Company - Marion's Local HVAC Repair
21 Barnabas Rd, Marion, MA 02738
Business Background
Advance Air & Heat Company is a family-owned, Certified Woman-Owned Business (WBE) that has been a trusted HVAC partner in Marion, MA, and beyond since 1986. Now in its second generation under owner Karen Lamy DeSousa, the company has grown from a humble start in a dining room to a team of 14 skilled technicians and 6 dedicated office staff. We specialize in solving complex HVAC, refrigeration, and building automation challenges for commercial, industrial, and institutional clients across Massachusetts, Cape Cod, and Rhode Island. Our team is committed to providing environmentally friendly and economical solutions tailored to each client's specific needs, ensuring operational efficiency and comfort.
Frequently Asked Questions
As a Certified Woman-Owned Business, what does that mean for your service in Marion?
Our WBE certification reflects our commitment to diversity and a family-oriented, detail-focused approach to business. For our Marion clients, this translates into a high level of accountability and personalized service. As a second-generation, family-run company, we treat every HVAC installation, repair, or maintenance call with the care and attention we would give our own neighbors, ensuring reliable and lasting solutions for your home or business.
My home in Marion has uneven heat from old radiators. Can you help?
Absolutely. Uneven radiator heat is a common issue in older Marion homes, often caused by air in the system or imbalanced water flow. Our technicians are proficient at diagnosing and resolving these heating imbalances. We can perform a system evaluation, bleed radiators, and balance the system to restore consistent, comfortable heat throughout your home, often extending the life of your existing equipment without the immediate need for a full replacement.
What does your HVAC maintenance service include for local homeowners?
Our preventative maintenance service is designed to keep your Marion home's HVAC system running efficiently and reliably. We conduct a thorough inspection, clean essential components, check refrigerant levels, calibrate thermostats, and ensure all safety controls are functioning. This proactive care helps improve energy efficiency, prevent unexpected breakdowns, and extend the lifespan of your equipment, providing peace of mind through every season.
Business Offerings
- HVAC installation or replacement
- HVAC system repair
- HVAC system maintenance
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |








