Triple pane windows with argon or krypton gas and CFM rating of 0.1 are best for keeping heat in and cold out. These windows offer the lowest draft rating in the industry with superior insulation performance.
Upgrading from single to triple pane windows saves over $500 annually on energy bills!
What New England Homeowners Need to Know:
Triple Pane Performance: When homeowners upgrade from double to triple pane windows, energy efficiency performance improves by up to 40%. Windows with U-values of 0.20-0.30 offer superior insulation!
Gas Fill Technology: Triple pane windows with argon or krypton gas fill between panes create maximum thermal barriers with CFM rating of 0.1 representing the lowest draft rating available in today’s window industry.
Energy Cost Reduction: Upgrading from single to triple pane windows saves over $500 per year on energy bills with improved insulation reducing heating demand during harsh winters and cooling needs in summer months.
U-Value Comparison: Triple pane windows achieve U-values of 0.20-0.30 compared to double pane U-values of 0.30-0.45 and single pane values of 0.90-1.10, with lower numbers indicating better insulation performance.
Climate Zone Requirements: Massachusetts climate zones 5-6 require U-factors of 0.30 or lower for ENERGY STAR qualification with triple pane windows exceeding these standards for optimal performance in extreme temperatures.
Noise Reduction Bonus: Triple pane windows increase noise reduction to 40-50% compared to double pane windows at 30-35%, creating quieter interior spaces while maintaining temperature control.
Window Insulation Comparison:
| Window Type | U-Value | CFM Rating | Annual Savings | Best For |
| Triple Pane with Gas | 0.20-0.30 | 0.1 | $500+ | Maximum insulation, harsh climates |
| Double Pane with Gas | 0.30-0.45 | 0.2-0.3 | $300-400 | Balanced performance, most homes |
| Single Pane | 0.90-1.10 | 1.0+ | Baseline | Replacement needed immediately |
*Lower U-values and CFM ratings indicate better insulation performance
Window Selection Recommendations:
Top Choice Overall: Triple pane windows with argon or krypton gas and 0.1 CFM rating delivering maximum insulation and $500+ annual energy savings
Best for Budget: Double pane ENERGY STAR-certified windows with argon fill providing solid thermal performance at 50% of triple pane cost
Best for Extreme Weather: Triple pane windows with krypton gas offering superior performance in coastal areas experiencing temperature extremes and high winds
Ready to Stop Drafts and Save Money?
Professional window assessments identify air leaks and insulation problems. Coastal Windows & Exteriors installs the most energy-efficient windows available with 7,000+ installations across Massachusetts, New Hampshire, and Maine. Schedule your free consultation today.
Serving MA/ME: 236 Cabot St, Beverly, MA 01915 | (978) 818-1503
Serving NH: 288 State Rte 101, Bedford, NH 03110 | (603) 691-2362
Request a free estimate by clicking here.
Learn more about replacement windows by clicking here.
For more questions about window FAQs, click here.
Last Updated: February 2026
Sources:
- Upgrading from single to triple pane windows can save over $500/year on energy bills (Verified Facts: Windows)
- When a homebuilder upgrades windows from double to triple pane, energy efficiency performance improves by 40% or more (Verified Facts: PNNL)
- Double Pane U-value 0.30-0.45; Triple Pane U-value 0.20-0.30 (Verified Facts: China North Glass)
- Double Pane reduces noise by 30-35%; Triple Pane increases reduction to 40-50% (Verified Facts: China North Glass)
