Home energy guides
Straightforward guidance on where to start, what to upgrade, and how to make the numbers work for your home.
All guides
46 articles
Tankless vs Tank Water Heaters: Costs and Comfort
A practical comparison of tankless and traditional tank water heaters; learn install constraints, operating cost differences, hot water comfort trade-offs, and safer ways to choose.

Should you close vents to save energy? Why it often backfires
Closing supply vents feels like it should cut your bill, but it often increases duct leakage, reduces comfort, and can stress HVAC equipment. Here is what to do instead.

Smart Thermostat Settings That Actually Save Money
A practical way to set schedules, setbacks, and temperature ranges for real bill savings; includes heat pump-specific tips and simple checks to confirm results.

Attic Insulation ROI: What You Can Really Save
Attic insulation is often the fastest payback home energy upgrade. Use realistic ranges, comfort clues, and our ROI calculator to estimate savings for your climate and bills.

Dual-Fuel Heat Pump + Furnace: When It Makes Sense
A practical guide to running a heat pump most days and a gas furnace as backup; learn when dual-fuel saves money, how controls work, and how to estimate your break-even point.

Repair or Replace HVAC: A Calm Decision Framework
Use equipment age, repair cost, safety, and comfort to decide whether to repair or replace your HVAC—and how to plan replacements before failure.

Best Home Energy Upgrades by Budget: $2k to $25k
A practical playbook for spending $2k, $10k, or $25k on energy upgrades—based on your bills, comfort issues, and equipment age.

Dehumidifier Cost Per Day: The Math and Cheaper Fixes
Calculate what a basement dehumidifier costs to run at your electric rate, then cut runtime with moisture fixes that often cost less.

Duct sealing: when it pays back, and how to avoid bad quotes
Learn what duct sealing fixes, what it costs, and the questions that separate real work from spray-and-pray.

Insulation before a heat pump: how to decide with your own numbers
Compare attic insulation, air sealing, and a heat pump using your rates and comfort goals so you spend on what moves the needle.

Do You Need a Panel Upgrade? Heat Pump & EV Checklist
A plain-English checklist for service size, panel space, and new loads so you know when a panel upgrade is required and when it is not.

Space heater cost per hour: the math that explains your winter bill
Calculate what a 1500W space heater costs per day at your electric rate, then see cheaper comfort fixes that reduce the need for it.
Ready to take action?
Use our tools to turn these guides into a personalized plan for your home.