What size heat pump or AC do I need for 1,800 Sq Ft in Maryland?

A 1,800 Sq Ft home in Maryland (4600 HDD / 1200 CDD) typically requires 3.0 Tons (36,000 BTU) of heating and cooling capacity, depending on insulation quality and ceiling height.

What is the average monthly heating and cooling bill for 1,800 Sq Ft in Maryland?

At Maryland's utility rate of 21¢/kWh, a 1,800 Sq Ft home averages $66/month ($786/yr) with a heat pump, $61/month ($727/yr) with natural gas, and $193/month ($2,313/yr) with electric baseboards.

Cost to Heat & Cool a 1,800 Sq Ft Home in Maryland (2026 Bill & BTU Size)

2026 Monthly & Annual Utility Breakdown (1,800 Sq Ft in Maryland)

Recommended Equipment Size:3.0 Tons (36,000 BTU)

Maryland Residential Electricity / Gas Rate:21¢/kWh | $1.62/therm

Cold-Climate Heat Pump (15-Yr Lifespan):$786/yr ($66/mo)

Winter Heating vs. Summer Cooling Split (Heat Pump):$690/yr Heat | $96/yr AC

Natural Gas Furnace + Central AC (18-Yr Lifespan):$727/yr ($61/mo)

Electric Baseboard + Window AC (25-Yr Lifespan):$2,313/yr ($193/mo)

15-Year Heat Pump Lifespan Net Savings vs. Baseboard:+$19,305

Customize Insulation, Solar & View 20-Year Lifespan Graph →

💰 Up to $2,600 Rebate

Compare 3 Local Maryland HVAC Installer Quotes

Verify 2026 Federal 25C Tax Credit & BGE / Pepco Maryland rebate eligibility and compare turnkey contractor pricing for a 3.0-Ton system (1,800 sq ft).

Compare MD Installer Quotes →

🛠️ Save 45% on Install

DIY Pre-Charged Ductless Mini-Split Kits

Avoid $3,500+ in ductwork labor. Calculate exact multi-zone mini-split BTU capacity for your 1,800 sq ft Maryland home.

Size DIY Mini-Split Kit →

☀️ Offset 21¢/kWh

Maryland Solar + Heat Pump Net-Zero Calculator

See how an 80%–100% rooftop solar net-metering array eliminates annual electric heating and cooling bills in Maryland.

Model Solar + Heat Pump ROI →

Compare Other Home Sizes in Maryland

800 Sq Ft 1,000 Sq Ft 1,200 Sq Ft 1,500 Sq Ft 1,800 Sq Ft 2,000 Sq Ft 2,200 Sq Ft 2,500 Sq Ft 2,800 Sq Ft 3,000 Sq Ft 3,500 Sq Ft 4,000 Sq Ft