Maryland (MD) Heat Pump Sizing Guide

Maryland is in IECC Climate Zone 4 (Mixed), with approximately 1,300 cooling degree days and 4,500 heating degree days per year. The average electricity rate in Maryland is $0.15/kWh, which directly affects heat pump operating costs and the payback period compared to a gas furnace.

Maryland Heat Pump Data

Heat Pump Suitability for Maryland

Maryland's mixed climate means your heat pump will work hard in both heating and cooling seasons. Look for a balanced unit with good SEER and HSPF ratings. With 4,500 heating degree days, a properly sized heat pump can handle most winter days without backup heating.

Heat Pump Incentives in Maryland

Maryland residents may qualify for the federal 25C tax credit of up to $2,000 for qualifying heat pump installations under the Inflation Reduction Act. Many Maryland utilities offer additional rebates ranging from $300 to $3,000 for energy-efficient heat pump installations. Check the DSIRE database and your local utility's website for current Maryland heat pump rebate programs. Some Maryland municipalities also offer property tax exemptions or reduced permit fees for heat pump installations.

Sizing Recommendations for Maryland

For a typical 2,000 sq ft home in Maryland with average insulation, we recommend a 3-3.5 ton heat pump. At $0.15/kWh, annual operating costs will be significantly affected by equipment efficiency. Every point of SEER improvement reduces cooling costs by approximately 5-7%. Use our heat pump sizing calculator for a personalized recommendation based on your specific home details.

Use our calculator for personalized recommendations, or browse all states to compare data across the country.