Heat pumps
Meridian MH-400
Meridian
Whole-home, cold-climate air-source system for ducted homes.
- SEER2
- 19.1
- HSPF2
- 9.4
- Sound
- 38 dB
$12k–$19k installed
May qualify for local utility rebates
For homes and small businesses
Plan a more efficient home.
Start with what you need: to decide on an expensive repair. Reduce your footprint. Lower costs. Take advantage of rebates. Or find great new energy gear for your home. Greenroom connects you with the latest equipment, incentives and local providers behind a smarter upgrade.
Find my starting pointStart with your home
What would you like to improve?
Start with the challenge your home is giving you. We’ll impartially suggest equipment or service providers unique to your needs.
Suggested path: Start with heating, hot water, and the building envelope.
Ask Greenroom
Turn a question into practical suggestions for your home.
Share what is not working, what you are considering, or what feels confusing. Your private conversation will help you find options, make decisions and connect your next steps.
Opening your home plan…
Greenroom Index
Find energy efficient products and cutting edge technology
Curated sample equipment. Specifications are manufacturer-style data; installed costs are broad planning ranges, not quotes.
Heat pumps
Aurelia S-12
Aurelia
Compact single-zone unit for additions and hard-to-condition rooms.
- SEER2
- 21.4
- HSPF2
- 10.2
- Sound
- 28 dB
$4k–$7k installed
Check equipment and income requirements
Water heating
Solstice WH-18
Solstice
Heat-pump water heater sized for a three-to-four-person household.
- UEF
- 4.0
- Volume
- 50 gal
- First hour
- 66 gal
$3k–$6k installed
Potential utility and state programs
Solar
Northstar 410
Northstar Solar
All-black residential module for compact, high-output roof arrays.
- Output
- 410 W
- Efficiency
- 21.0%
- Warranty
- 25 yr
$2.60–$3.40/W installed
Local rebates and net-metering rules vary
Energy Storage
Ember B10
Ember
Modular home battery for backup power and solar self-consumption.
- Usable
- 10.2 kWh
- Power
- 5 kW
- Warranty
- 10 yr
$10k–$16k installed
Utility storage programs may apply
EV charging
Current Home 48
Current
Hardwired Level 2 home charger with adjustable output and load sharing.
- Output
- 48 A
- Cable
- 24 ft
- Rating
- NEMA 4
$1k–$2.5k installed
Check utility make-ready programs
Rebates and Incentives
Find programs worth checking before you buy.
Location, income, equipment, installation date, and available funding can all change eligibility. Greenroom starts the search; the program administrator makes the decision.
Open the incentives finderEnter a five-digit ZIP to see programs that may apply where you live.
Experts and Providers In Your Area
Find service providers who can deliver.
Live business listings from Google Maps for your area. Licensing, insurance, and certifications should always be confirmed directly before hiring.
Enter a ZIP code and project type to see nearby businesses.
Costs & savings
Put your upgrade in perspective.
Compare heating costs with your actual bills, local rates, and contractor quotes.
The Greenroom journal
Real homes, real numbers.
Electrification makeovers and rebate stories worth your time — reported by journalists and energy programs, summarized by us, linked out to them.
Deep retrofit
How They Pulled It Off: Making a Midcentury Home Sustainable for the Next Century
A 1953 Chicago-area home — once featured in Better Homes & Gardens — gets a second century of life through deep energy upgrades, with a passive-house architect guiding every decision.
Dwell
Rebates
A Whole-Home Electrification That Makes Dollars and Sense
Bob and Karen electrified their 1930s DC brick home — induction range, heat pump, heat pump water heater, 200-amp panel — for about $25,000, with roughly $11,000 back in rebates. Timing aging appliances with incentives did the heavy lifting.
DC Sustainable Energy Utility
Case study
Wadsworth Home
A New Paltz, New York family decommissioned their oil boiler for an all-electric, variable-capacity heat pump system paired with solar — and watched their average monthly electric usage and costs drop 55 percent.
Mitsubishi Electric