H+H Kältetechnik - Blog
19 Products
Es ist offiziell: Wir gehören zu Deutschlands besten Online-Anbietern für Klimatechnik
Reading time: 2 minutes
Kaeltetechnikshop.com gehört zu Deutschlands besten Online-Anbietern für Klimatechnik – ausgezeichnet mit dem Life & Living Award 2026 auf Basis von 43.826 Kundenstimmen.
The Ultimate Guide to Cleaning Agents for Air Conditioning and Refrigeration Systems
Reading time: 10 minutes
Dirty heat exchangers waste energy and shorten the lifespan of your system. But which cleaner is right for which application? Our comprehensive guide provides a structured overview of condenser cleaners, evaporator cleaners and specialist products – from routine maintenance to heavy-duty soiling.
5 critical mistakes when positioning an R290 heat pump – and how to avoid them
Reading time: 5 minutes
Why this topic matters now
R290 (propane) is the future-proof, environmentally friendly refrigerant in heat pump technology – natural, efficient and sustainable. At the same time, its flammability requires the highest level of care in planning and installation.
Glycol in Refrigeration Technology: Efficient Antifreeze for Cooling and Heating Systems
Reading time: 5 minutes
Whether in industry, commerce or building services engineering, reliable heat and cold transfer is crucial for smooth operation.
Copeland Scroll Compressors: Efficiency, Reliability and Model Series
Reading time: 5 minutes
Learn how Copeland Scroll compressors work and what distinguishes ZR, ZP, ZF, ZB, ZH & ZRD series. Find out more!
Refrigerant ban for Heat Pumps in the EU: Effects and Alternatives
Reading time: 5 minutes
The EU is planning stricter Environmental Regulations that could mean the gradual phasing out of fluorinated greenhouse gases - known as F-Gases - in Heat Pumps. This regulation, also known as the EU Refrigerant ban for Heat Pumps, is intended to help reduce emissions and will affect both consumers and the Manufacturing industry. In this article, we look at the details of the planned ban, its timing and the potential impact on consumers and the Market.
Understanding the Shift to A2L Refrigerants: Safety, Performance, and Environment Impact
Reading time: 5 minutes
Let's dive into the world of A2L refrigerants. These refrigerants are becoming increasingly popular in the air conditioning and refrigeration industry due to their environmental benefits and safety features. In this article, we'll explore what makes A2L refrigerants so special, what benefits they offer and how they help improve the HVACR industry's carbon footprint. Get ready as we uncover the science behind these innovative gases!
Air Purification - What is there to consider?
Reading time: 5 minutes
The Corona virus is constantly presenting us with new challenges: How can we still enjoy our daily lives relatively normally without being exposed to high levels of the virus?
Copeland Scroll Compressors available from stock at top prices
Reading time: 3 minutes
Just arrived, you will now find new Copeland and Maneurop scroll compressors at top prices in the refrigeration shop. All compressors are made in EU and have high quality, innovative internal parts.
Refrigerant circuit: Suction, Recycle, Reuse
Reading time: 4 minutes
As of 2018, the EU F-Gas Regulation (EU 517/2014) has made massive cuts in the quantities of HFCs available in the EU.
Bristol Closes up Store
Reading time: 2 minutes
On July 31, 2018, US company Bristol Compressors announced its intention to terminate its business operations and begin a wind-down process immediately.
Antifreeze: Antifrogen N, L, KF
Reading time: 3 minutes
Antifrogen is the classic heat transfer and cooling liquid for heating and cooling systems with corrosion protection and is manufactured in the ultra-modern factory in Gendorf.
Thread Types and Standards
Reading time: 4 minutes
In this compact blog post, we're going to talk about the thread types and standards. Our customers ask our support team from time to time various questions on the subject: “Conversion of a thread and thread standard”, so we hope that this article will be useful for Internet surfers to provide a general understanding in the technical field.
LBP, MBP and HBP - Meaning and application overview
Reading time: 2 minutes
In a small series of short articles, we look at technical facets of refrigeration. Part 1 is about compressor application areas. In the further course of the series, we will look at other aspects to consider when selecting replacement compressors.
Everything is new in 2016
Reading time: 4 minutes
Quite a few visitors to our homepage will be puzzled the first time they look at our homepage - everything is new. And a second look is even more suspicious: Kellermann Klima GbR became H + H Kältetechnik GmbH.
Refrigeration and the Internet #1: Homepages for Refrigeration Engineers
Reading time: 8 minutes
Whether you want to check the weather before an installation, need directions to the construction site or need to buy a barbecue for the company party.
Should I or should not I?!
Reading time: 1 minutes
More and more end users come with the desire to install an air conditioner in their private rooms in order to escape the summer heat.
Thermostat: Selection, Types, Function
Reading time: 6 minutes
The thermostat is one of the components that most often causes trouble in the domestic refrigerator. Due to the large number of different thermostat types, it is often difficult to obtain replacements.
Vacuum Pump
Reading time: 4 minutes
In our day-to-day support work, refrigeration technicians come to us time and again who need advice on choosing the right vacuum pump for you.