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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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46 articles
Illustration comparing a tankless water heater and a storage tank unit with icons for upfront cost, hot water flow, maintenance, and energy use

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.

Illustration of a home with several vents closed, increasing duct pressure and leaks, contrasted with a balanced airflow setup and a comfort-first fix list

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.

Illustration of a smart thermostat with a weekly schedule, small temperature adjustments, and a comparison of comfort versus energy use across day and night

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.

Sofia NguyenDec 29, 2025Updated Dec 29, 20259 min read
Illustration of an attic with insulation depth markers, air leaks being sealed, and a simple payback gauge comparing upfront cost to annual savings

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.

Marcus DelaneyDec 28, 2025Updated Dec 28, 20259 min read
Illustration of a home split between a heat pump and a gas furnace with a thermostat deciding which runs, plus a cost comparison dial and a cold-weather thermometer

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.

Sofia NguyenDec 27, 2025Updated Dec 27, 20259 min read
Flat illustration showing a split decision between a wrench and a new HVAC unit, with a calendar, cost comparison scales, and a simple decision flow for repair versus replacement

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.

Flat illustration of a house with a three-step budget ladder labeled $2k, $10k, and $25k, with icons for insulation, duct sealing, a heat pump, and a checklist showing a phased upgrade plan

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.

Erin KesslerDec 18, 2025Updated Dec 18, 20259 min read
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

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