HVAC Insulation Market to Reach USD 12.03 Billion by 2035

Market Research Future (MRFR) has updated the report on The HVAC Insulation Market reached an estimated USD 6.95 Billion in 2025 and is projected to grow from USD 7.29 Billion in 2026  to USD 12.03 billion by 2035, registering a CAGR of 5.72% during the forecast period. Two forces are driving this trajectory harder than any others: mandatory energy renovation codes sweeping through the European Union's Energy Performance of Buildings Directive recast, and the U.S. Department of Energy's updated commercial building insulation standards finalized in late 2024, both of which have raised minimum R-value thresholds for ductwork and piping systems.

HVAC Insulation Market Overview

The market is shifting away from commodity fiberglass batts toward engineered systems that combine thermal resistance with moisture management and fire compliance. Heat pump adoption across residential and light commercial buildings has changed the insulation calculus — low-temperature refrigerant lines and condensate-prone air handlers demand materials that prevent moisture ingress while maintaining thermal performance at lower operating differentials. Global capital expenditure on building energy efficiency crossed USD 285 billion in 2024.

Key Trends & Growth Drivers

Mandatory Energy Renovation Codes: The DOE’s 2024 update to ASHRAE 90.1 boosted duct insulation R-values by 20% on average for climate zones 4-8, and duct and pipe losses account for 15-30% of total HVAC energy use in commercial buildings.

HVAC Electrification and Heat Pump Adoption: Global sales of heat pumps hit 21 million units in 2024, a 12% increase over 2023. Their reduced supply-air temperatures add an estimated 25-35% to insulation cost per unit over earlier systems.

Commercial Construction in Asia-Pacific: China’s commercial building completions rose 6.8% year-on-year in 2024, while India approved over 450 million square feet of Grade A office space across its eight major metros.

Data Center Cooling Infrastructure: Global capital investment in hyperscale and colocation data centers will approach USD 350 billion in 2024. Cooling represents 30-40% of the overall energy consumption of data centers.

Segmentation / Detailed Insights

By Product Type: Duct insulation dominated the market with a share of around 39.5% in 2025, while pre-insulated duct panels were the fastest-expanding product type, at a CAGR of 6.78% through 2035.

By Material Type: Glass wool held the largest market share of about 34.0%, and polyisocyanurate (PIR) foam is expected to grow at a CAGR of 6.92%, as fire-rated criteria become more stringent.

By End-User Industry: In 2025, the commercial sector held a market share of roughly 48.5%, while the healthcare sector is expanding at a compound annual growth rate of 6.25% with the growth of cleanroom and infection-control ventilation.

HVAC Insulation Industry Regional Landscape

Asia-Pacific: Commands the greatest share at ~42% of 2025 revenue and is also the fastest-growing area at a CAGR of 6.57% through 2035, driven by commercial construction pipelines in China, India and Southeast Asia.

North America: Holds ~24% share, backed by improved commercial energy rules and an exceptional data-center pipeline of over 5.5 GW of capacity under construction as of early 2025.

Europe: Accounts for almost 22% of the industry, spurred by deep-renovation regulations seeking to double yearly renovation rates to adapt 35 million buildings by 2030.

Middle East & Africa: The Red Sea and Qiddiya giga-projects, together with Saudi Arabia’s NEOM, are multi-decade building pipelines that will require huge amounts of district-cooling insulation.

HVAC Insulation Industry Competitive Landscape

The market exhibits low concentration, with an estimated HHI below 800 and the top five players collectively accounting for roughly 28-35% of global revenue. Named key players include Saint-Gobain (Isover), Owens Corning, Kingspan Group, Knauf Insulation, Armacell International, Rockwool International, Johns Manville, Huntsman Corporation, BASF SE, and Thermaflex International.

• Saint-Gobain (September 2024): Opened a USD 150 million glass wool production line in Vadodara, India, targeting demand from the country's commercial construction pipeline.


• Kingspan Group (June 2024): Acquired a European pre-insulated duct panel manufacturer, expanding its factory-finished HVAC product range.


• Owens Corning (March 2024): Launched a next-generation fiberglass duct wrap with 15% higher R-value per inch, certified to ASHRAE 90.1-2024 requirements for climate zones 5-8.

HVAC Insulation Industry Outlook

MRFR expects nearly 40% of global commercial building floor space to fall under some form of operational carbon regulation by 2030, making mechanical system insulation non-negotiable for compliance rather than a voluntary efficiency upgrade. Next-generation materials — including vacuum insulation panels for space-constrained mechanical rooms and bio-based binders replacing formaldehyde in mineral wool — are progressing from pilot to commercial scale, and Environmental Product Declarations are becoming procurement prerequisites on major projects targeting LEED v5 or BREEAM credits.

Source: Market Research Future, “HVAC Insulation Market Size, Growth, Trends, Report 2035.” Full report available at marketresearchfuture.com.