Skip to content
h2x Design Software
  • Product
        • Features

        • Exports

        • HVAC
        • Hydronic / Heating
        • Domestic Water
        • Duct / Ventilation
        • Heat Load
        • Heat Loss
        • Chilled Water
        • Fire Protection
        • MVHR
        • Stormwater
        • Gas
        • Wastewater
        • 3D View
        • PDF Drawing Set
        • Bill of Materials / MTO
        • Heat Load Report
        • System Sizing Report
        • AutoCAD Integration
        • Revit Integration
        • Design Share
  • Solutions
        • Consultants
        • Contractors / Installers / Trades
        • Manufacturers
  • Resources
        • Learn

        • Support

        • Discover

        • Heat Pumps eBook
        • Legionella eBook
        • MVHR eBook
        • Training Webinars
        • Uni
        • User Guide
        • Customers
        • Calculators
        • Use Cases
        • Blog
        • Security
        • Knowledge
        • Partnerships
        • About

Contact   |   Login

Book a Demo
h2x Design Software
Demo

  • Product
        • Features

        • Exports

        • HVAC
        • Hydronic / Heating
        • Domestic Water
        • Duct / Ventilation
        • Heat Load
        • Heat Loss
        • Chilled Water
        • Fire Protection
        • MVHR
        • Stormwater
        • Gas
        • Wastewater
        • 3D View
        • PDF Drawing Set
        • Bill of Materials / MTO
        • Heat Load Report
        • System Sizing Report
        • AutoCAD Integration
        • Revit Integration
        • Design Share
  • Solutions
        • Consultants
        • Contractors / Installers / Trades
        • Manufacturers
  • Resources
        • Learn

        • Support

        • Discover

        • Heat Pumps eBook
        • Legionella eBook
        • MVHR eBook
        • Training Webinars
        • Uni
        • User Guide
        • Customers
        • Calculators
        • Use Cases
        • Blog
        • Security
        • Knowledge
        • Partnerships
        • About

Heat Pumps

Air-to-Water Heat Pump System Design: 5 Key Principles for Peak Performance

By Andrew Spencer | June 8, 2026 | 0
Air-to-Water Heat Pump System Design

Most air-to-water heat pump systems underperform because of how they’re designed, not what they’re made of. Here are five principles hydronic engineers should apply from the start.

Read More

Air-to-Water Heat Pump Retrofit: 4 Scenarios Where AWHPs Shine

By Andrew Spencer | April 22, 2026 | 0
Air-to-Water Heat Pump Retrofit

Not every building is ready for a heat pump, but some are perfect for one. Here’s how to identify the retrofit scenarios where air-to-water heat pumps deliver their full potential.

Read More

How to Reduce Heat Pump Lifecycle Cost in Cold Climates

By Andrew Spencer | April 13, 2026 | 0
Heat Pump Lifecycle Cost

While initially expensive, air-to-water heat pumps deliver the lowest total lifecycle cost of any heating option for cold climates.

Read More

Why Water Wins: The Thermodynamic Case for Air-to-Water Heat Pumps

By Andrew Spencer | April 9, 2026 | 0
Air-to-Water Heat Pumps

Learn why air-to-water heat pumps use water to move heat more efficiently than many conventional HVAC systems.

Read More

h2x: The Smartest Hevacomp Replacement for Design Engineers

By Bill Arnold | March 13, 2026 | 0
Best Hevacomp Replacement: h2x vs. OpenBuildings Designer

With Hevacomp reaching end of life on January 1st, 2026, building services and MEP engineers need a modern replacement. This in-depth comparison of h2x and OpenBuildings Designer covers speed, calculation accuracy, collaboration, onboarding, and support, so you can make the right call for your team.

Read More
Older Posts »
h2x Design Software
Awards & Recognition
h2x Software Best Customer Support 2026
HVAC Plumbing BIM BOM
h2x Capterra Best Value 2026
HVAC Plumbing BIM PDF
h2x Software Most Recommended 2026
BIM
Ratings & Certifications
h2x Capterra Reviews
h2x Software Advice Reviews
h2x GetApp Reviews
h2x Google Reviews
h2x ISO 270012022 Certification
h2x Cibse Verified

Subscribe to our monthly newsletter

Features

HVAC Design

Hydronic / Heating Design

Domestic Water Design

Duct Design

Heat Load Calculations

Heat Loss Calculations

Fire Protection Design

Chilled Water Design

MVHR Design

Gas Design

Stormwater Design

Wastewater Design

3D View

Solutions

Consultants

Contractors / Installers / Trades

Manufacturers

Exports

PDF Drawing Set

Bill Of Materials (Material Takeoff)

AutoCAD Integration

Revit Integration

System Sizing Report

Heat Load Report

Design Share

Resources

Contact

About

Customers

Use Cases

Training Webinars

Learn Uni

User Guide

Online Calculators

Access Management

App Status

Knowledge Hub

Latest Blog Posts

Latent Heat vs. Sensible Heat: What Every Engineer Needs to Know

Air-to-Water Heat Pump System Design: 5 Key Principles

HVAC System Selection for Any Building Size

See h2x in action, or book a quick call with our team.

Book a Demo

Follow Us

h2x X aka Twitter h2x Facebook h2x Instagram h2x Linkedin h2x YouTube h2x TikTok

© 2026 - H2X Ltd. | Privacy Policy