Common Concerns with Inefficient HVAC Systems and How the Danfoss AB-QM Valve can better Optimise your System Towards Greater Efficiency:

• Commissioning is time consuming and often under huge time pressure
• Systems are not optimised under partial loads leading to efficiency and control issues
• Investment in new HVAC systems can be expensive
• Existing HVAC systems are often inefficient and can be very expensive to replace

Commissioning is time consuming and often under huge time pressure

• AB-QM allows for short commissioning and installation time
• AB-QM involves very few manual adjustments and calculations required
• AB-QM is 2 valves in one
• AB-QM removes the need to adjust balancing valves at every terminal unit
• AB-QM will automatically balance the installation immediately after it has been installed (just select the required flow)
• AB-QM allows for a quicker, more straight forward commissioning and installation process designed to reduce installation headaches and significantly lowering associated installation costs

Systems are not optimised under partial loads leading to efficiency and control issues

• AB-QM eliminates instability under partial load delivering required flow rate independent of system pressures and flows 100% authority
• AB-QM reduces over-pumping and associated pumping costs
• AB-QM ensures that design delta Ts are achieved optimising equipment efficiency
• AB-QM ensures good control of room temperatures
• AB-QM creates more efficient settings and fewer complaints
• AB-QM automatically optimises HVAC systems towards greater efficiency reducing running costs

Investment in new HVAC systems can be expensive

• AB-QM can reduce investment cost
  • 1 valve replaces 2 (a compact automatic balancing valve and pressure independent control valve in one)
  • Eliminates the need for expensive branch/partner valves
  • Significantly reduces commissioning and labour costs

Existing HVAC systems are often inefficient and can be very expensive to replace

• AB-QM can significantly improve the performance of existing systems with very short payback (typically less than three years)
• AB-QM solves balancing & control issues in existing (and new) HVAC systems
• AB-QM will save on energy and based on a conservative upfront investment will be paid back in approx. 3 years
• AB-QM maintains optimal temperatures for indoor environments, ensuring fewer temperature fluctuations throughout the day
• AB-QM ensures lower running cost of existing systems with very short payback period
• AB-QM improves indoor air quality with high return on investment i.e. running costs savings and a very short payback period

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