Planning a home project in Maryland? This page brings together every cost guide we publish for the state — installed prices, yearly savings and payback for 2026 — plus the verified Maryland rebate programs that can cut the bill.
In Maryland, the swing seasons and real winters and summers shapes the energy year, and installation work here runs about 12% above the national average — both are built into every range below.
Home Project Costs in Maryland at a Glance
| Project | Typical cost in Maryland | Yearly savings | Simple payback | Guide |
|---|---|---|---|---|
| Central AC Replacement | $5,450–$10,850 | $330 | 24.7 years | Coming soon |
| Heat Pump | $7,100–$17,000 | $785 | 15.4 years | Coming soon |
| Attic Insulation | $1,550–$3,600 | $445 | 5.8 years | Coming soon |
| Roof Replacement | $8,650–$20,750 | $60 | — | Coming soon |
| Solar Panels | $16,000–$23,700 | $1,790 | 11.1 years | Coming soon |
| Tankless Water Heater | $3,000–$5,550 | $120 | 35.6 years | Coming soon |
| Replacement Windows | $6,850–$14,300 | $335 | 31.6 years | Coming soon |
Verified Rebates & Incentives in Maryland
- Maryland Solar Access Program — $750 per kW, up to $7,500 for income-qualified households. Maryland Energy Administration program; income limits apply and the reservation must be in place before installation. Covers: Solar Panels. Source: Maryland Energy Administration (via 2026 MD solar guide)
- Maryland Solar Renewable Energy Credits (SRECs) — Market income of roughly $40 per MWh generated (price moves with the market). Earn one SREC per MWh your system produces and sell it through a broker or aggregator. Covers: Solar Panels. Source: Maryland SREC market (Flett Exchange via 2026 MD solar guide)
Amounts and rules change — confirm eligibility with the program before you sign a contract, and note that several programs require action before installation.
Figures compiled from public sources, updated October 2026. Local quotes vary — get 2–3 estimates.