Heater Repair in Chelmsford

Fixing Broken Heaters Across Middlesex County

A malfunctioning heater in the middle of winter is the last thing anyone wants to deal with. If your system is blowing cold air, making odd noises, or simply refusing to turn on, it’s clear that something’s not right. At Doug Anderson Plumbing and Heating, we specialize in diagnosing and repairing all heating systems so your home stays warm and cozy no matter how low the temperature drops.

Whether it’s a minor issue or a complete system failure, our expert team is ready to restore your heater’s performance quickly and efficiently. We work with furnaces, boilers, heat pumps, and more—there’s no heating problem we can’t handle. Our licensed and insured heater experts have years of experience under their belts, so you can trust that your repair is done right the first time.

To schedule your heater repair service in Chelmsford or the surrounding area, call us at (978) 733-2747 or complete our simple online form.

Signs Your Heater Needs Repair

Heaters can be temperamental, but that doesn’t mean you have to put up with unreliable warmth. Many issues are fixable, provided you address them early. After being off for most of the year, your heater will need a little bit of time to “wake up,” but if problems persist after continuous use, it’s likely time for a repair. 

Some common heater issues we fix include:

• Cold air instead of heat - If your heater is running but the air feels icy, the culprit could be a broken heating element, thermostat issues, or a clogged filter blocking airflow. 
• Unusual noises - Clanging, banging, whining, or any other strange sounds coming from your system could indicate mechanical issues, loose components, or even a buildup of sediment in your unit. 
• Short cycling - Is your heater turning on and off too frequently? Short cycling can stem from a malfunctioning thermostat, poor airflow, or an overheating unit. 
• Rising energy bills - An inefficient heater that works harder than it should could be the reason for those higher-than-usual utility costs. This often happens when systems aren’t running at peak performance. 
• Uneven heating - Cold spots in certain parts of your home may be the result of clogging, thermostat malfunctions, or issues with your system’s blower. 
• System won’t turn on - A total failure might point to issues with your ignition, blower motor, circuit board, or electrical connections.

If you’re experiencing any of these problems—or something else—you can count on us to get to the root of the issue and provide a long-lasting solution.

How Long Do Heating Repairs Take?

Most heating repairs can be completed within a few hours, but the exact timeframe depends on the nature of the issue. Simple fixes like thermostat replacements or filter changes can be done quickly, while more complex problems—such as motor replacements or major component failures—may take longer. Our team works efficiently to minimize downtime and keep your home or business comfortable.