Key takeaways
As a general rule, have your HVAC system professionally serviced at least once a year. Homes with separate heating and cooling equipment benefit most from two visits: a cooling tune-up in spring and a heating tune-up in fall. This twice-a-year cadence catches problems before each peak season and keeps efficiency high.
A heat pump should be serviced twice a year because it both heats and cools, working nearly year-round. Schedule one visit in spring and one in fall so the system is checked before each demanding Maryland season. The added runtime means heat pumps wear faster than single-season equipment, so regular care pays off.
Inspect the filter monthly and replace standard 1-inch filters every 1 to 3 months. Replace them more often if you have pets, allergies, or run the system heavily during Maryland’s humid summers. A clogged filter restricts airflow, strains the blower, and drives up energy bills, so this simple task protects the whole system.
Silver Spring and Montgomery County see hot, humid summers and cold winters, so both your air conditioner and furnace work hard each year. Humidity encourages mold and condensate issues in cooling equipment, while cold snaps push heating systems to their limits. Seasonal tune-ups address these climate-specific stresses before they cause breakdowns.
Skipping maintenance lets small issues grow into costly repairs and shortens equipment life. Dirty coils, low refrigerant, and worn parts quietly reduce efficiency and raise your bills. Many manufacturer warranties also require documented annual service, so neglecting it can void coverage when you need it most.
For homes with separate heating and cooling systems, twice a year is the ideal standard: spring for cooling and fall for heating. If you have a heat pump that runs year-round, two visits are strongly recommended. At minimum, do not let a full year pass without professional service.
Spring and fall are the best windows. Booking your AC tune-up in spring and your heating tune-up in fall means the work is done before Maryland’s summer humidity and winter cold arrive. Early-season scheduling also avoids the rush when technicians are busiest.
Yes. New systems still need annual service to run efficiently and stay reliable. Most manufacturers also require documented professional maintenance to keep the warranty valid, so skipping it on a new unit can be a costly mistake.
A maintenance agreement typically bundles your seasonal tune-ups, priority scheduling, and discounts on repairs into one plan. It takes the guesswork out of remembering each visit. To learn about plans in Silver Spring and Montgomery County, call Shemtov Systems at 240-355-3333.
Call Shemtov Systems at 240-355-3333 for trusted heating and cooling service across Montgomery County and the Washington DC metro. Family-owned since 1981.
Copyright © 2026 All Rights Reserved - Shemtov Systems