Heat Pump Systems in Ashburn, VA

Yes, modern heat pumps are built to heat efficiently well below freezing, and Northern Virginia winters fall well within that range. Auxiliary heat strips provide backup during the coldest nights, and we make sure yours are staged and wired correctly.

Low refrigerant, a faulty reversing valve, or restricted airflow are the most common causes of a heat pump that runs but does not perform. Kelvin Services LLC diagnoses the specific cause before recommending any repair.

Repair is usually the right call for a newer system with an isolated problem. We walk you through the honest comparison so you can decide with clear information, not pressure.

Some frost during a defrost cycle is normal, but heavy ice buildup points to a refrigerant issue, airflow restriction, or a defrost control problem. We identify which one is causing it and fix it at the source.

Yes, we install heat pumps as full replacements for older furnaces and air conditioners throughout Sterling, Leesburg, and the surrounding communities. We assess your home's ductwork and electrical capacity before recommending the right setup.

A heat pump in the Northern Virginia area benefits from a professional tune-up once a year. Ashburn's humid summers and cold winters put extra demand on the system, so routine maintenance helps catch small problems before they become bigger ones.