Hotel Golden Tulip: https://www.goldentulip.com/nl-nl/hotels-heerlen
Hotel Heerlen: https://www.hotelheerlen.nl/
Camping Hitjesvijver: https://www.hitjesvijver.nl/
Hoeve Berghof B&B: https://www.hoeveberghof.eu/
Pletsmolen / B&B: https://pletsmolen.com/
Bastion Hotel: https://www.bastionhotels.com/nl-nl/hotels/hotel-heerlen

You can also look at the website: https://www.vvvheerlen.nl/overnachten

Hoensbroek is 5 minutes from Heerlen centre, there are many hotels etc.

Look at www.trivago.nl en www.booking.com for special & cheap deals!