Insulation & Energy Efficiency

R-values, air sealing, attic and wall insulation strategies, and the efficiency upgrades that pay for themselves.

Comfort you can measure.

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Insulation & Energy Efficiency guides

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Insulation & Energy EfficiencyBeginner

Programmable & Smart Thermostats: An Educational Overview

How thermostat schedules save energy, what C-wires and compatibility mean, and the safety boundary around HVAC wiring.

5 min readMarcus Oyelaran

Insulation & Energy EfficiencyIntermediate

Insulating Your Attic: A Practical Guide

Air-seal first, insulate second: how attic insulation actually saves money, what R-value to target, and the safety rules around recessed lights and flues.

9 min readTom Beaudry

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Calculators for insulation & energy efficiency

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Room Volume Calculator

Cubic feet and cubic meters of any room.

Insulation Calculator

Batt or roll packages for a target R-value.

BTU / AC Sizing Estimator

Preliminary cooling load for room air conditioners.