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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56 articles
Spray Foam Insulation Cost per Sq Ft: Open vs Closed Cell + Realistic Budget Ranges
Spray foam insulation costs depend on strategy, not hype. Learn open vs closed cell tradeoffs, roofline vs attic floor choices, and how to compare quotes.
Heat Pump Cost to Run: A Simple Formula + Examples with Real Electric Rates
Estimate heat pump running cost with a simple method: your electric rate, your heat demand, and realistic efficiency assumptions. Includes examples and pitfalls.
120V Heat Pump Water Heater (2026): Specs, Cost, and the Recovery Catch
A 120V plug-in heat pump water heater runs on a normal outlet and skips $300–$4,000 of electrical work. The catch is ~12 GPH recovery, so you size up. Specs, costs, and who it fits in 2026.
Ductwork Replacement Cost Calculator: A Simple Estimator + How to Sanity‑Check Quotes
Use this homeowner-friendly worksheet to estimate ductwork replacement scope, understand what drives cost, and compare HVAC quotes without hidden duct line items.
Whole House Battery Backup Cost: How Many Batteries You Need and What It Really Costs
Whole-house battery backup is a sizing problem, not a shopping problem. Learn how to estimate how many batteries you need, what drives installed cost, and what to ask.
Electric Panel Upgrade Tax Credit (2026): Eligibility Checklist + How to Keep Proof
A practical, documentation-first guide to electric panel upgrade tax credits: what to confirm before work starts, what receipts to keep, and how to reduce uncertainty.
Home Energy Audit Cost | Typical Prices and What You Should Get
A professional home energy audit typically costs $200–$700 in 2026, and many utilities offer free or low-cost assessments. Here's what each price tier gets you.
Heat Pump Tax Credit in 2026: What Ended, What You Can Still Claim
The federal 25C heat pump tax credit ended for 2026 installs. Here's how to still claim it for a 2025 install on Form 5695, what changed under the OBBBA, and the state and utility rebates that remain.
Tax Credit for Energy‑Efficient Windows: Requirements, Caps, and How to Avoid Denials
A homeowner-first guide to the federal tax credit for energy-efficient windows: what typically qualifies, what documentation to keep, and how to reduce claim risk.
Garage Door Insulation Cost: Panels vs New Door + Comfort ROI (Without the Hype)
A practical breakdown of garage door insulation costs: DIY kits vs retrofits vs a new insulated door, what actually improves comfort, and a checklist to compare options.
Heat Pump Water Heater Tax Credit (2026): What Ended, What You Can Still Claim
The federal 25C heat pump water heater tax credit ended for 2026 installs. Here's how to still claim it for a 2025 install on Form 5695, what changed under the OBBBA, the ENERGY STAR and CEE-tier rules, and the rebates that remain.
Attic Air Sealing Cost in 2026: Pro vs DIY, What's Included, and the Leaks That Pay
Attic air sealing cost in 2026: $350–$1,200 for a typical pro job, $50–$300 for DIY materials. What's included, why you seal before insulating, and how to compare quotes.
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