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Home Systems and Appliances
A 14-page buyer's guide and replacement workbook for the expensive things in a house: furnaces, air conditioners, heat pumps, water heaters and major appliances, updated for the 2025 end of federal tax credits and the refrigerant transition, with a fill-in sheet for your state's rules and a section for Oklahoma.
General information, not engineering, electrical, gas or legal advice. Gas and electrical work usually requires a licensed contractor and a permit.
What's inside
- Before you replace anythingRepair or replace, reading EnergyGuide and efficiency labels, and the end of the 25C and 25D credits.
- Heating and coolingSystem types, federal SEER2 minimums by region, the refrigerant change and why you need a load calculation.
- HVAC bidsA side-by-side bid comparison worksheet.
- Water heaters and appliancesTank, tankless and heat pump water heaters, sizing, appliance shopping, warranties and service plans.
- Your state's rulesA worksheet for trade licensing, permits and utility rebates.
- Oklahoma sectionLicensed mechanical, electrical and plumbing trades and Oklahoma's Southeast-region standards.
Details
- One fillable PDF, 14 pages, letter size
- Type on screen in Adobe Acrobat Reader (free), Preview on Mac, or most browsers, or print it
- National guide with an Oklahoma section; federal standards cited as of November 2026
- Instant download after checkout
Home Projects Set, $59.99
For the house you own and the big-ticket jobs around it: the new homeowner binder, hiring a contractor, the roof, the foundation, HVAC and appliances, backyard projects, the lawn and garden, and phone, internet and TV.
See the set →