Triple pane windows with argon or krypton gas and 0.1 CFM rating are best for keeping heat in and cold out.
Moreover, these windows provide the lowest draft rating in the industry delivering superior insulation compared to double or single pane. So, switching from single to triple pane windows can save over $500 per year on energy bills.
What Massachusetts Homeowners Need to Know:
- Triple Pane Glass Advantage: Triple pane windows offer energy efficiency performance improving by 40% or more compared to double pane. An additional glass layer creates two chambers for energy-saving gases maximizing thermal efficiency and reducing heat transfer through windows. Meanwhile, superior insulation maintains consistent indoor temperatures year-round regardless of exterior weather conditions dramatically.
- Insulating Gas Technology: Argon and krypton gases are denser and slower moving than air helping eliminate heat transfer across windows. These invisible gases provide superior insulation keeping homes warmer in winter and cooler in summer. Gas-filled chambers between panes create thermal barriers preventing temperature transfer protecting your home’s interior environment.
- Industry-Leading Draft Prevention: Windows with 0.1 CFM air infiltration rating lose only 0.8 cans of air per minute providing the tightest seal. Average industry ratings range between 0.12 and 0.3 CFM allowing significantly more air infiltration and heat loss. In conclusion, the lowest CFM number means tightest seal and least amount of draft coming through your windows.
- Energy Bill Savings: Upgrading from single to triple pane windows can save over $500 per year on energy bills. ENERGY STAR certified windows shrink energy bills by an average of up to 13% on heating and cooling costs. Meanwhile, triple pane efficiency lowers energy bills while improving comfort throughout your home.
- Low-E Coating Benefits: This invisible layer keeps heat inside during winter and blocks solar heat in summer protecting year-round. UV protection prevents furniture, flooring, and artwork fading while maintaining natural lighting throughout your living spaces.
- Complete Insulation System: Foam-filled vinyl frames, warm edge spacer technology, and acrylic-bonded or steel spacers work together with triple pane. These components minimize heat loss at window edges preventing condensation buildup. Moreover, this offers maximum efficiency. So, an integrated system approach provides comprehensive thermal performance exceeding industry standards for New England climate challenges.
The Most Energy Efficient Windows for New England Homes:
| Window Type | Efficiency Improvement | U-Value | Annual Savings | Best For | Lifespan |
| Double-Pane | Baseline | 0.30-0.45 | Moderate | Budget-conscious upgrades | 20-25 years |
| Triple-Pane | 40% better than double | 0.20-0.30 | $500+ per year | Maximum efficiency, harsh climates | 30-40 years |
Top Overall: Triple pane windows with krypton gas for maximum energy efficiency and superior insulation in harsh climates.
Best for Budget: Meanwhile, double pane windows with argon gas and Low-E coatings providing excellent energy savings at lower investment.
Best for Noise Reduction: Triple pane windows nearly matching specialized laminate glass sound reduction at lower cost.
Ready to dramatically reduce energy bills and improve home comfort? Coastal Windows & Exteriors completed 7,000+ installations across MA, NH, ME. Get your free estimate today.
Massachusetts/Maine: 236 Cabot St, Beverly, MA 01915 | (978) 818-1503
New Hampshire: 288 State Rte 101, Bedford, NH 03110 | (603) 691-2362
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Last Updated: February 2026
Sources:
- Verified Facts: Triple pane windows improve energy efficiency performance by 40% or more compared to double pane
- Verified Facts: Upgrading from single to triple pane windows can save over $500 per year on energy bills
- Verified Facts: ENERGY STAR certified windows shrink energy bills by average of up to 13% on heating and cooling costs
- Coastal Windows & Exteriors: 0.1 CFM rating lowest draft rating in industry
- Coastal Windows & Exteriors: Triple pane with argon/krypton gas technology (Amanda instruction – company data)
- Coastal Windows & Exteriors: 7,000+ installations (company data)
