Energy Code Insights for Multifamily Developers
Expert guidance on energy code compliance, HERS ratings, incentives, and building performance for multifamily developers.
- COMcheck Massachusetts: Mixed-Use Multifamily Certificates and When to Study First
- ENERGY STAR Multifamily New Construction: MFNC Paths, Rater Checklists, and When It Pays
- HERS Rating Cost New York: Multifamily Pricing, What Moves It, and When to Study First
- HERS Rating Cost Florida: Multifamily Pricing, What Moves It, and When to Study First
- Energy Code Feasibility Study Florida: Multifamily ERI Paths and When to Model First
- Energy Code Feasibility Study Texas: Multifamily ASHRAE/COMcheck Paths and When to Model First
- ASHRAE COMcheck Texas Multifamily: Commercial Energy Code Path and When to Study First
- Ventless Heat Pump Dryers Cost $6 More Per Square Foot on 320 Units
- Florida Building Energy Rating Multifamily: ERI Path, Efficiency Rating Act, and When to Study First
- HERS Rater Florida: Multifamily Ratings, Cost, and Building Energy Rating
- Energy Code Feasibility Study New York: Multifamily ECCCNYS, NYStretch, and When to Model First
- R-30 Cavity Walls Beat a Heat Pump Water Heater in Salem
- NYStretch Energy Code Multifamily: ECCCNYS Paths, ERI Targets, and When to Study First
- Energy Code Feasibility Study Massachusetts: Multifamily Stretch vs Specialized Paths
- HERS Rating Cost Massachusetts: Multifamily Pricing, What Moves It, and When to Study First
- HERS Rater Boston: Greater Boston Multifamily Ratings, Stretch Code, and Cost
- Mass Save HERS Raters: Multifamily Ratings, Incentives, and Who to Hire
- HERS Rater New York: Multifamily Ratings, Cost, and Energy Code
- HERS Rater Massachusetts: Multifamily Ratings, Cost, and Stretch Code
- Why Cutting Insulation Backfired on a 57-Unit Worcester Project
- Why Fewer Trades on the Wall Saved $180,000 in Worcester
- The Top Plate Seam That Causes 30% of Home Air Leakage
- Why the 3x Tighter Air Sealing Target Cost Less to Build
- Going Electric Saved $2.46M and Handed Tenants the Bill
- Why $300 of Hand Caulking Still Fails the Blower Door
- The DOE Framing Swap That Clears 2024 IECC Continuous Insulation
- A Double Stud Wall Costs $12 Per Linear Foot and One Studio
- Why a 24k BTU Heat Pump Delivered 8k BTUs Last Winter
- Why a $3,994,000 Envelope Cut Left 530 Units at HERS 44.59
- Why a $630K Energy Code Estimate Ended Up Costing $43,000
- Why Cutting the Heat Pump Water Heater Added $31K on a 21-Unit Revere Build
- Why Geothermal Almost Got Cut Before Anyone Ran the Incentives
- Two Maine Passive House Buildings Prove You Can Skip Exterior Insulation
- How 168 PHIUS Apartments Were Built With No Continuous Insulation
- How This PHIUS Building Came In 20 Percent Under Market
- How a $612K Geothermal Bid Actually Cost $198K
- Why the Budget, Not the Energy Code, Is What Stops Housing
- Why an In-Unit Heat Pump Water Heater Cost a 60-Unit Job $180K
- Why the Cheaper HVAC Bid Cost This Project $2.72M
- Why New Building Products Cost More
- What a $1,000,000 Geothermal Tax Credit Is Actually Worth
- Why All-Electric Beat Gas on a 12-Unit Revere Build
- Why Gas Would Have Cost This Developer $8M on an 800-Unit Build
- Why Passive House Nearly Doubled Wall Cost on a 95-Unit Project
- The Voltex X: A Split-System Heat Pump Water Heater Built for Multifamily
- Why Killing the Heat Pump Water Heater Added Over $400K in Upgrades
- Why Tighter Air Sealing Came In $3,500 Cheaper Per Home in Everett
- Why Windows Saved $3.3M and Walls Saved $677K at HERS 45
- Why Ducted Heat Pumps Added $312K on a 112-Unit Revere Project
- Why Avoiding Heat Pump Water Heaters Cost 20% More on a 36-Unit Build
- Why All-Electric Forced Induction Ranges Into All 213 Units
- Why Spray Foam Won on a 57-Unit Revere Project Despite Costing 2% More
- Why Moving Heat Pump Water Heaters Into the Corridor Stripped the Envelope Budget
- Why Better Ceiling Insulation and Upgraded Doors Moved HERS by Zero
- PHIUS Moisture Modeling Killed the Cheapest Podium Insulation Option
- Continuous Insulation Beat Spray Foam by $268K on a 233-Unit Project
- Why Lobby Windows Were Costing $200K Extra on a 200-Unit Project
- Ducted HVAC Cost $745K More on a 57-Unit Worcester Project
- When a Heat Pump Water Heater Unlocks $2.5M in Envelope Savings
- Why All-Electric Cost This 158-Unit Project $600K With Zero Extra Rebates
- Why Centralized VRF Cost $2.7M More on a 200-Unit Building
- Why a $911K HVAC System Got Back Only $10,600 in Rebates
- Why a Heat Pump Dryer Beats a Wall Upgrade on HERS
- Why Switching from Gas to Electric Water Heaters Cost This Project $627K
- When Electric Resistance Tanks Beat Heat Pump Water Heaters
- Why a $113K HVAC Savings Cost $628K
- When Heat Pump Water Heaters Are Not Optional
- Why a Premium ERV Upgrade Did Nothing for Our HERS Score
- Why Ducted Heat Pumps Can Fail Massachusetts Energy Code
- Why Your HVAC Choice Dictates Your Window Spec
- Why We Eliminated 240 Exhaust Fans on One Project
- Why Bigger Water Heaters Cost You Twice
- Why Triple Pane Windows Cost This Project $566K
- Why Energy Star Does Not Pay Off On Low-Rise Flats
- Specialized Stretch Code vs Stretch Code: What Multifamily Developers Need to Know in 2026
- Does Going All-Electric Lower Construction Costs?
- Massachusetts Is About to Make Spray Foam Insulation Much Harder to Justify
- Ducted vs. Ductless Heat Pumps: Why Your HVAC Decision Determines Your Entire Envelope Strategy
- Spray Foam Insulation Is Not a Magic Bullet for Energy Codes
- Why a $1,200 Gas Range Actually Costs You $30,000
- Heat Pump Washer-Dryers: The $4/sqft Savings Most Developers Miss
- The Real Cost of Passive House Mandates in Massachusetts
- How We Eliminated Heat Pump Water Heaters from a 269-Unit Passive House Project
- Energy Code Compliance in Massachusetts: What Developers Need to Know
- HERS Ratings for Multifamily Buildings: Everything You Need to Know
- Mass Save Incentives for Multifamily New Construction
- What Is a Feasibility Study for Energy Code Compliance?
- Multifamily Energy Modeling: How It Works and Why It Matters
