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Home energy guides

Field-tested guidance on where to start, what to upgrade, and how to make the numbers work for your home. No jargon, no hype.

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27 articles
Flat illustration of a basement dehumidifier with a humidity gauge, water droplets, and an energy bill showing a simple cost formula for watts, hours, and electricity rate

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.

Illustration of a home duct system with highlighted leaks sealed with mastic, with arrows showing air escaping into an attic and a checklist of questions for duct sealing quotes

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.

Marcus DelaneyDec 14, 2025Updated Dec 14, 202512 min read
Split illustration comparing attic insulation and air sealing on the left versus a heat pump outdoor unit on the right, with a scale showing cost and comfort gains

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.

Illustration of an electrical panel with a main breaker label and circuit list, plus icons for a heat pump, EV charger, and induction range next to a checklist of upgrade decisions

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.

Illustration of a portable space heater next to an energy bill and a simple cost formula (watts times electric rate), showing hourly and daily costs

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.

Erin KesslerDec 14, 2025Updated Dec 14, 20257 min read
Illustration of a drafty window with cold air arrows and condensation, showing low-cost fixes like weatherstripping and window film contrasted with a large window replacement quote

Window Replacement vs Fixes: Avoid a Costly Mistake

Before you replace windows for energy savings, use this framework to spot drafts, condensation causes, and cheaper fixes that often work.

Marcus DelaneyDec 14, 2025Updated Dec 14, 20259 min read
Split illustration showing uneven room temperatures in a home - warm orange room with comfortable person at 90°F versus cold blue room with bundled person at 55°F, highlighting problem areas like blocked vents and window leaks

Cold rooms, hot rooms: fix uneven temps before big upgrades

Weekend-level fixes to even out hot and cold rooms before spending on new HVAC or windows.

Home energy analytics methodology infographic showing calculator formulas, spreadsheet data analysis, ROI charts, and trusted data sources like DOE and EIA for transparent cost and savings calculations

How We Calculate Costs and Savings: Our Methodology

Where our upgrade estimates come from, the data we use, and the limits you should know before trusting payback numbers.

Person reading product labels surrounded by floating energy term bubbles like SEER2, AFUE, kWh, U-factor, and BTU with a Home Energy Glossary book, illustrating decoding technical jargon into plain English

Home energy terms in plain English (from SEER2 to U-factor)

Plain-English guide to SEER2, HSPF2, AFUE, U-factor, SHGC, ACH50, kWh and other labels so you can compare quotes and plan upgrades.

Person looking shocked at high energy bill with magnifying glass, diagnostic checklist, and icons for possible culprits like water heater, HVAC, thermostat, and appliances - solving the energy bill mystery

Why your energy bill is so high: 7 things to check first

A 10–20 minute checklist to find whether billing quirks, weather, HVAC, hot water, or new gadgets are driving your high bill.

Heat pump water heater ROI infographic showing a water heater tank with efficiency rating, payback period timeline, and balance scale comparing upfront cost versus long-term savings

Heat pump water heater ROI without the hype

Will a heat pump water heater pay back in your home? Run the numbers with realistic install costs, COP, and incentives.

Illustration of electric and gas utility bills with magnifying glass highlighting key numbers like kWh, therms, and costs, showing usage charges, fixed fees, and delivery charges breakdown

How to read your utility bill without guessing

Translate your utility bill into kWh, therms, and actual costs per end-use so you can target the right upgrade.

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Guides | Home Energy Decisions