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Articles by Nate Westheimer

SEER2, EER2, SEER, & EER Explained & Compared
SEER2 and EER2 are today's best metrics for determining cooling performance of Air Conditioning and Heat Pump cooling systems. This article ...
Jul 04, 2024
Terms & Concepts
Refrigerants & Global Warming
Dive into the world of heat pump refrigerants, understand what they do, contemplate how we can make the best decisions for the purchases we ...
May 15, 2024
Terms & Concepts
The Fight Around Building Codes
A look into how building codes are made, how they impact heat pump adoption and other energy efficiency progress, and a review of the legal ...
Mar 25, 2024
Market Analysis
February 2024: Funding Round-Up
Here's what we saw in the world of venture and grant funding for the month of February 2024 (if I'm missing anything, or if you have tips / ...
Mar 01, 2024
Startup Funding
Obfuscation and Overload Part 1: Introduction to the Series & Flooding the Brand Zone
Part 1 in a series of posts exploring the opaque experience of buying and installing heat pumps, considering the impacts of these dynamics, ...
Mar 01, 2024
Market Analysis
HSPF/HSPF2 Explained
What is HSPF2 and how does it compare to other efficiency metrics? Here, we dive deep into this important metric and create some helpful way...
Feb 22, 2024
Terms & Concepts
My appliance still works. Should I replace it?
2 years ago I bought a conventional gas water heater. Now I know better. So should I replace it? The answer turns out to be unambiguous.
Feb 18, 2024
Living Article: Types of Heat Pumps
When I say "Heat Pump," what comes to mind for you? For some, it evokes a mini-split, for others a fancy upgrade to their central air. But H...
Feb 16, 2024
We are So Screwed
In November 2023, Rewiring America published their Pace of Progress Report: a detailed analysis across 5 key areas of electrification showin...
Feb 15, 2024
Heat Pumps Outsell Furnaces in 2023
H/T Canary Media on this news:The Air-Conditioning, Heating, and Refrigeration Institute released last week, Americans bought 21 percent mor...
Feb 15, 2024
Day 1
Day 1 for Heat Pump Review. Why we are here and what's to come.
Feb 14, 2024