Energy Insights

A Simpler Way to Upgrade Heating and Cooling and make Older Buildings Have A New Feel

Jan 19th 2026

A Simpler Way to Upgrade Heating and Cooling and make Older Buildings Have A New Feel

Upgrading heating and cooling systems in older buildings has always been difficult, especially in places where…

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Supplement vs Replace: When a Heat Pump Makes Sense Even If Your Furnace “Works”

Jan 7th 2026

Supplement vs Replace: When a Heat Pump Makes Sense Even If Your Furnace “Works”

Winter Readiness Made Simple.

Dec 15th 2025

Winter Readiness Made Simple.

Top Blogs

Grateful for the Ecosystem That Powers National Efficiency Supply

Grateful for the Ecosystem That Powers National Efficiency Supply

Dec 1st 2025

As we reflect on our journey at National Efficiency Supply, gratitude comes first. Running a business is never …

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The Great Refrigerant Shift: Why R-410A Is Being Replaced and What It Means for Your HVAC Business

The Great Refrigerant Shift: Why R-410A Is Being Replaced and What It Means for Your HVAC Business

Nov 12th 2025

From compliance to performance to future-proofing — the next chapter in refrigerant evolution for distri …

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Heat Pumps — The Future of HVAC: Why Now Is the Time to Get On Board

Heat Pumps — The Future of HVAC: Why Now Is the Time to Get On Board

Oct 29th 2025

From comfort and cost-savings to grid-resilience and net‐zero readiness, heat pumps are moving from niche to n …

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Understanding Different Types of EV Chargers: Level 1, Level 2, and DC Fast Charging

Understanding Different Types of EV Chargers: Level 1, Level 2, and DC Fast Charging

Oct 15th 2025

Electric vehicles (EVs) are revolutionizing transportation, and having the right charging solution is key to m …

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Why LED Lights, EV Chargers, and Heat Pumps Are the Future of Smart Homes

Why LED Lights, EV Chargers, and Heat Pumps Are the Future of Smart Homes

Oct 2nd 2025

The concept of a smart home has evolved far beyond voice-controlled devices and connected appliances. Today, e …

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How Heat Pumps Support Net-Zero Carbon Goals

How Heat Pumps Support Net-Zero Carbon Goals

Sep 17th 2025

As the push for carbon neutrality intensifies, businesses and homeowners are seeking innovative solutions to r …

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What to Know Before Installing a Heat Pump in Your Home

What to Know Before Installing a Heat Pump in Your Home

Sep 4th 2025

Heat pumps are becoming increasingly popular as an energy-efficient and eco-friendly alternative to traditiona …

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