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Not all central ACs are created equal when it comes to energy use. In this guide, we break down the must-have efficiency features in 2025 models—like variable-speed compressors, SEER2 ratings, and smart thermostat compatibility—to help you stay cool without wasting power.

High-efficiency HVAC systems play a key role in green and net-zero home certifications. See how SEER2 ratings impact your eligibility and long-term savings.

Your SEER2 rating isn’t just about energy bills—it can influence your home’s HERS Index, DOE Energy Score, and even resale value. Here’s how.

Inverter-driven HVAC systems are key to unlocking higher SEER2 ratings. This guide breaks down how they work—and why they’re worth considering for your next upgrade.

SEER2 ratings aren’t just numbers — they tell you how efficiently a home’s HVAC system will cool your space and impact your bills. Here’s what to look for.

In a hot climate, a 17 SEER2 system might pay for itself in just a few years. In a cooler zone? The payback is slower. Here’s how to calculate it.

Not all HVAC warranties are created equal—especially with SEER2 equipment. This guide breaks down what’s covered, what voids coverage, and how to stay protected.

14.3 or 17 SEER2? It’s not just about the number. This guide compares cost, performance, climate factors, and long-term savings to help you decide.

Thinking about upgrading to a SEER2-rated HVAC system? This guide breaks down what’s changed, how much efficiency you gain, and when the investment pays off.

SEER2 ratings aren’t just about equipment — they reflect how your HVAC system handles airflow and pressure. Learn why external static pressure (ESP) matters more than ever in today’s efficiency standards.

Higher SEER2 doesn’t just mean lower energy bills — it can also impact how large or small your HVAC system should be. This guide explains how updated testing standards affect sizing calculations, airflow requirements, and why oversizing is still a common pitfall even with efficient systems.

Not all HVAC efficiency ratings measure the same thing. SEER2, HSPF2, and EER2 each apply to different modes of operation — and understanding them can help you make a smarter system choice. This guide breaks down what each rating means, how they’re tested, and when to prioritize one over the other.