Expert HVAC Services by David J. Murphy Plumbing and Heating LLC.

If you run both heating and cooling in Massachusetts, seasonal maintenance pays for itself in peace of mind. Clean systems run more efficiently, help prevent mid‑season breakdowns, and can support manufacturer warranty requirements when records are needed. Add the built‑in discount vs. paying $150 per head each time and most homeowners come out ahead—especially with more than one indoor unit. 

A well-maintained system can operate 15-20% more efficiently, resulting in lower energy bills. Compare one spring and one fall visit per unit at the standard $150/cleaning to our member bundle. Even a modest discount adds up fast with multiple heads. 

Preventive maintenance, including labor (but not parts). Sometimes, we find minor repairs or see parts that should be replaced during our inspection. Repairs and parts are not included in regular service, but we will make you aware right away and you will pay a reduced price for any repairs that are needed!