Technical Insulation HVAC

Applications

HVAC INSULATION - Technical Insulation for HVAC Systems

PAROC technical insulation solutions support efficient, reliable HVAC systems in both new construction and renovation projects. The range is developed for ventilation and piping applications where controlled temperatures, moisture management and regulatory compliance are essential, to meet today’s performance demands and local regulations. All solutions are based on non-combustible PAROC Stonewool.

PAROC insulation helps maintain stable HVAC system temperatures and reduces heat losses and unwanted temperature changes. When combined with a water vapour barrier, the insulation products help reduce condensation risk and moisture-related damage. PAROC also offers specific passive fire protection solutions, tested and classified according to relevant EN standards, and are designed to provide fire resistance in defined applications when installed as part of an approved system.

PAROC provides technical insulation solutions for a wide range of HVAC applications.

Warning: This video contains flashing images that could trigger seizures for people with photo sensitivity.

Discover the applications:

HVAC Pipe Insulation

Insulation solution for Heating Pipes, icon

Ventilation and Air Conditioning

Design your HVAC system with non-combustible PAROC Stonewool

Stone wool withstands high temperatures, is an inherently fire‑resilient material, remains dimensionally stable throughout its service life, is moisture- resistant, and helps to improve energy efficiency. These material properties are engineered into every PAROC Stonewool technical insulation product and enable reliable HVAC system performance, when the technical insulation is properly designed and installed.

For specifiers and decision makers, choosing stone wool insulation means reliable performance over the entire service life, while supporting greater comfort and more energy‑efficient buildings.

Learn more about PAROC Stonewool

PAROC Product compliance and regulatory conformity for HVAC insulation

PAROC technical insulation products for HVAC applications are CE-marked in accordance with EN 14303, the harmonised European standard for factory‑made mineral wool insulation. Under EN 14303, product performance is tested and declared in a Declaration of Performance (DoP), which is used in construction projects to verify compliance with the properties specified in the design. Declared characteristics typically include reaction to fire and thermal conductivity at different temperatures. PAROC products are named and classified based on their intended application and performance purpose, supporting clear specification and correct product selection for HVAC systems. All product documentation is available on the respective product pages.

PAROC HVAC insulation assortment

For pipes: PAROC HVAC Pipe Sections
For ducts – thermal and condensation: PAROC HVAC Lamella Mats
For ducts – thermal: PAROC HVAC Wired Mats
Fire insulation for ducts: PAROC® Vect
For rectangular ducts and specific applications: PAROC HVAC Slabs

Design and Specification support for HVAC Insulation

Correctly specified and installed HVAC installations is important for the buildings longlivety, function, energy efficiency and the building’s users living comfort. Different insulation products have different properties in terms of energy efficiency and space requirements, which is why correct specification based on project and system specific conditions is essential. Selecting correct thickness is essential to achieve the desired performance. We always recommend specifying insulation based on project‑specific and system‑specific conditions.

To support HVAC designers and HVAC engineers, PAROC provides:

PAROC Specification advisory guidance
PAROC Calculus – a HVAC calculation tool for your project specific calculations for heat loss, surface temperature and energy efficiency assessments
PAROC BIM Revit Plug-In – plug-in tool for BIM aided design of HVAC installations

These tools help ensure correct insulation thickness, regulatory compliance, and optimal system performance.

PAROC HVAC Insulation Solutions Support Energy-Efficient Buildings

Technical insulation is sometimes treated as a cost item, even though HVAC systems account for a significant share of a building’s energy use. Proper insulation reduces heat transfer, supports stable system temperatures, and improves overall system efficiency. By limiting energy losses, HVAC insulation plays a key role in lowering building energy consumption.

In renovation projects specifically, effective HVAC insulation also enhances equipment performance, as systems do not need to work as hard to maintain the desired temperature. Well-insulated HVAC systems help eliminate draughts and uneven temperatures, contributing to improved indoor comfort.

Correct insulation design and thickness are therefore decisive for long-term HVAC efficiency, system reliability, and performance throughout the service life of the installation.

Learn more about insulation and energy efficiency

Technical insulation and energy efficiency – the forgotten heroes of climate change

Read the article

Technical insulation and energy efficiency, image

Energy Renovations: A Key to Saving Energy in Europe

Read the article

What do our customers say about PAROC HVAC solutions?

“In tight spaces where installers often have to work, the good installability of PAROC products supports work fluency and the well-being of the installers.”

- Tomi Elolähde, division manager at Hewaco Oy

Read about the PAROC reference project

"This is the first real innovation I’ve seen in 16 years during my construction career!”

- Ville Pakarinen, CEO at Eriste Wille Oy

Read about the PAROC reference project

Tools and Documents

Installation guidelines

Certificate Search

Design Guides

PAROC® Calculus

PAROC® Calculus is a technical insulation calculation program for dimensioning thermal insulation for various applications in the HVAC and Process industries.

PAROC® Calculus features:

Easy-to-use interface; works on PCs, tablets, and cellphones.
Calculations of heat losses, surface temperatures, and temperature drop in pipes, ventilation ducts, process industry tanks, valves, and flanges.
Simple input of pipe diameters and duct dimensions (predefined).
Correcting for thermal bridges of pipe and duct suspensions.
Print calculations as a PDF. Multiple simultaneous printouts in PDF are possible.
Saving projects and customizations (for registered users).
Calculations based on the ISO 12241:2022 standard

Go to PAROC® Calculus

The latest HVAC insulation news

Expanding the PAROC® Vect portfolio with slabs for rectangular ducts

PAROC is expanding the Vect portfolio for rectangular ducts with PAROC® Vect Slab blackcoat EI30 and EI60, two one-layer 3-in-1 system solutions for rectangular ducts, that combines passive fire protection insulation, condensation risk reduction, and thermal insulation for HVAC d

PAROC® Vect portfolio expanding with slabs

Fire resistance vs fire protection: Everything you need to know about fire-resistant insulation

What you need to know about fire resistance and fire protection, and why fire-resistant insulation is critical for building safety. Overview of Euroclass ratings, passive vs active fire protection, fire resilience, and the role of HVAC ventilation systems.

Fire resistance vs fire protection – PAROC Vect

Building Safer Spaces: Why Ventilation Insulation Matters in Schools and Daycares

Discover how proper insulation in ventilation systems enhances fire safety and indoor air quality in schools and daycares. Learn from Finland’s approach to building healthier, safer public spaces.