Home energy guides
Straightforward guidance on where to start, what to upgrade, and how to make the numbers work for your home.
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57 articles
Cost for an Electrical Panel Upgrade: 100A vs 200A, Service Upgrades, and Quote Checklist
Electrical panel upgrade cost depends on more than the panel. Use this homeowner checklist to understand scope, avoid surprises, and compare quotes.
Are Solar Panels Worth It in 2026? An Honest Payback Check
Are solar panels worth it in 2026? The 30% federal credit ended Dec 31, 2025. Here is the payback math an engineer actually uses: real costs, net billing, batteries, and when to walk away.
Ductless Mini Split Cost Installed (2026): Real Prices by Zone, What Drives Them, and Where to Save
What a ductless mini split actually costs installed in 2026, broken down by zone count, equipment vs labor, cold-climate options, sizing, and the rebate and tax-credit reality after 25C ended.
Solar Tax Credit 2026: What's Still Available After the Federal Credit Ended
The 30% federal solar tax credit (Section 25D) ended for systems placed in service after Dec 31, 2025. Here is what is left in 2026: state credits, rebates, SRECs, net billing, and tax exemptions, plus how a 2025 install still claims 30% on Form 5695.
100 Amp to 200 Amp Upgrade Cost: A Realistic Breakdown (Permits, Utility Work, and Panel)
Upgrading from 100A to 200A can be a simple panel swap or a full service upgrade. Here's what's included, what triggers extra cost, 2026 price ranges, and a quote checklist.
Blower Door Test Cost: 2026 Prices and What the Number Tells You
A standalone blower door test runs $150 to $400 in 2026. It's often free through a utility, or bundled into a $300 to $700 audit. Here's what it measures and when paying makes sense.
Attic insulation and air sealing cost in Boston, MA: what a good quote includes
What attic air sealing and blown-in insulation cost in Boston in 2026, how to read a quote, plus Mass Save rebates and the 0% HEAT Loan. Sanity-check pricing before you sign.
Duct sealing and balancing in Phoenix, AZ: cost ranges, hot-room fixes, and what to demand on the invoice
A buyer-intent guide for Phoenix homeowners with hot rooms and high summer bills. Learn what duct sealing and balancing includes, typical cost drivers, and how to compare quotes.
Heat pump vs gas furnace in Minneapolis, MN: costs, comfort, and how to compare quotes
A Minneapolis-focused guide to choosing a heat pump, gas furnace, or dual-fuel setup using your own rates, plus a quote checklist.
Heat Pump Water Heater Cost in Austin (2026): $3,000–$6,500 Installed, Minus the $800 Rebate
Heat pump water heaters run $3,000–$6,500 installed in Austin. Austin Energy pays an $800 rebate, but the federal 25C credit ended in 2025. Here's the real 2026 math.
Do you need a 200A panel upgrade in Denver, CO for a heat pump and EV? A load-check walkthrough and quote checklist
A Denver-focused buyer guide for heat pumps and EV charging. Learn when a 200A upgrade is needed, when you can avoid it, and what to ask electricians before you sign.
Tankless vs Tank Water Heaters: Costs and Comfort
Tankless vs tank water heater, compared for 2026: installed cost ranges, lifespan, efficiency (UEF), sizing, venting and gas-line upcharges, descaling, rebates, and who each one fits, plus heat pump water heaters as a third option.
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